Research report

• Egil Erlingsson Karlsbakk; Stig Mæhle; Hakon Schau Berg-Rolness et al. (2026). Eksperimentell smitte av sjørøyr og laks med mikroparasitten Spironucleus salmonicida – parasitten som kan forårsake systemiske spironucleoser i oppdrettsfisk. (external link)
• Mari Skuggedal Myksvoll; Anne-Catrin Adam; Ann-Lisbeth Agnalt et al. (2026). Effekten av klimaendringer på risiko for dårlig dyrevelferd og negative miljøeffekter av fiskeoppdrett – kunnskapsstatus. (external link)
• Trond Einar Isaksen; Lars-Andreas Møvik; Egil Erlingsson Karlsbakk et al. (2026). Fiskehelse hos anadrom vill laksefisk i Hordaland – med særlig fokus på juvenil laks og aure i Vossovassdraget. (external link)
• John Fredrik Strøm; Lasse Berg Andersen; Erik Berg et al. (2026). Risiko for negative effekter på kysttorskbestander som følge av lakseoppdrett i åpne merder i sjø. (external link)
• Bjørn Olav Kvamme; Carlo C. Lazado; Lill-Heidi Johansen et al. (2026). Fagleg sluttrapport - Spironucleus salmonicida infeksjoner og spironucleose i norsk akvakultur: smitteveier, vertsspekter og forebygging — SpiroFri - FHF 901831. (external link)
• Egil Erlingsson Karlsbakk; Maren Hoff Austgulen; Joachim Nordbø et al. (2025). Er sjøaure mottagelig for Spironucleus salmonicida – parasitten som kan forårsake systemisk spironucleose i oppdrettslaks? — Smitteforsøk på sjøaure og Laks. (external link)
• Nina Sandlund; Maud Alix; Lasse Berg Andersen et al. (2025). Negative effekter på kysttorskbestander som følge av torskeoppdrett i åpne merder i sjø — Risikovurdering og kunnskapsstatus 2025. (external link)
• Bjørn Olav Kvamme; Nina Sandlund; Stig Mæhle et al. (2025). Smitteforsøk med Spironucleus salmonicida på rognkjeks og laks. (external link)
• Egil Erlingsson Karlsbakk; Anne Tjessem; Haakon Hansen et al. (2025). Spironucleus-infeksjoner og Spironucleose hos laks – En kunnskapsoppsummering. (external link)
• Haakon Hansen; Even Thoen; Marta Alarcon et al. (2019). Infeksjoner med parasitten Nucleospora cyclopteri (Microsporidia) i rognkjeks, Cyclopterus lumpus. (external link)
• Abdullah Sami Madhun; Ørjan Karlsen; Egil Karlsbakk (2019). Annual report on health monitoring of wild anadromous salmonids in Norway 2018 - Screening of migrating Atlantic salmon (Salmo salar) postsmolts from the Trondheim fjord for viral infections. (external link)
• Egil Karlsbakk; Juan A. Balbuena; Kjartan Hodneland et al. (2000). «Parasittindusert dødelighet hos sild». Resultater 1999. (external link)
• Pål Arne Bjørn; Kevin Alan Glover; Ellen Sofie Grefsrud et al. (2021). Kunnskapsgrunnlag for mulig påvirkning fra oppdrettstorsk og levendelagret torsk på villtorsk. (external link)
• John Fredrik Strøm; Erik Berg; Pål Arne Bjørn et al. (2025). Økologiske effekter av lakseoppdrett i åpne merder på ville kysttorskbestander — Kunnskapsstatus. (external link)
• Are Nylund; A. M. Kvenseth; Egil Karlsbakk et al. (1995). Temperatureffekter ved bruk av Salmosan (azamethiphos). Sluttrapport. Prosjekt for Ciba-Geigy A/S. (external link)
• Are Nylund; Egil Karlsbakk; Kjartan Hodneland (1995). Large scale delousing with Compound X (Grampian pharmaceuticals). Haukanes. - Sluttrapport. Prosjekt for Grampian Pharmaceuticals. (external link)
• Are Nylund; Egil Karlsbakk; Kjartan Hodneland et al. (1995). Large scale delousing with Compound X (GPRD01). Haverøy. - Sluttrapport. Prosjekt for Grampian Pharmaceuticals. (external link)
• Egil Karlsbakk; Kjartan Hodneland; S. Kolås et al. (1995). Lakselus på vill laksefisk i fylkene Nordland, Nord- og Sørtrøndelag, Møre- og Romsdal, Sogn og Fjordane og Hordaland i 1994. - Direktoratet for naturforvaltning, prosjekt: 14190-94. (external link)
• Bjørn Olav Kvamme; Stig Mæhle; Hakon Schau Berg-Rolness et al. (2025). Utprøving av fem ulike Spironucleus salmonicida smittemodellar for post-smolt laks i sjøvatn - SpiroFri Pilotsmitteforsøk Våren 2023. (external link)
• Sigurd Heiberg Espeland; Kjell Harald Nedreaas; Stein Mortensen et al. (2010). Kunnskapsstatus leppefisk Utfordringer i et økende fiskeri. (external link)
• Haakon Hansen; Egil Erlingsson Karlsbakk; Christoph Hahn et al. (2022). Infeksjoner med bendelormen Eubothrium sp. i oppdrettsanlegg i Norge: resistens, utbredelse og påvirkning på fiskehelsen. (external link)
• Kjartan Hodneland; Egil Karlsbakk; Dankert W. Skagen et al. (1997). Ichthyophonus hoferi in the Norwegian spring spawning herring (Clupea harengus L.). I. Evaluation of examination methods. (external link)
• Egil Karlsbakk; Are Nylund; F. Nilsen et al. (1994). Parasitter og sykdom hos laksefisk rundt oppdrettsanlegg. Rapport fra prosjektet: 93/884VØ ASDI 454.43, Direktoratet for naturforvaltning. (external link)
• Egil Karlsbakk; Kjartan Hodneland; F. Nilsen et al. (1994). Sykdomsorganismer hos bergnebb (Ctenolabrus rupestris) fra Flødevigen. (external link)
• Brit Hjeltnes; Egil Karlsbakk; Tor Atle Mo et al. (2014). Risk assessment of amoebic gill disease. Opinion of the Panel of Animal Health and Welfare of the Norwegian Scientific Committee for Food Safety. (external link)
• Trond Einar Isaksen; Karl Fredrik Ottem; Egil Karlsbakk (2009). Utbreiing av Francisella smitte hos villtorsk i Noreg. (external link)
• Trond Einar Isaksen; Karl Fredrik Ottem; Egil Karlsbakk (2009). Utbreiing av Francisella smitte hos villtorsk i Noreg. (external link)
• Geir Lasse Taranger; Terje Svåsand; Bjørn Olav Kvamme et al. (2014). Risikovurdering norsk fiskeoppdrett 2013. (external link)
• Are Nylund; Egil Karlsbakk; B. Berland (1991). Parasittologi. Veiledning for studier av parasitter på fisk. (external link)
• Egil Karlsbakk; Juan A. Balbuena; Kjartan Hodneland et al. (2000). «Parasittindusert dødelighet hos sild». Resultater 1999. (external link)
• Terje Svåsand; Øivind Bergh; Geir Dahle et al. (2007). Miljøeffekter av torskeoppdrett. (external link)
• Eirik Biering; Abdullah Sami Madhun; Cecilie Helen Isachsen et al. (2013). Annual report on health monitoring of wild anadromous salmonids in Norway. (external link)
• Åse Helen Garseth; Abdullah Sami Madhun; Eirik Biering et al. (2015). Annual Report 2014; Annual report on health monitoring of wild anadromous salmonids in Norway. (external link)
• Abdullah Sami Madhun; Øystein Skaala; Rune Nilsen et al. (2018). Annual report on health monitoring of wild anadromous salmonids in Norway 2017. (external link)
• Lars Asplin; Jan Aure; Raymond Bannister et al. (2013). Risikovurdering norsk fiskeoppdrett 2012. (external link)
• Abdullah Sami Madhun; Vidar Wennevik; Kjell Rong Utne et al. (2020). Annual report on health monitoring of wild anadromous salmonids in Norway 2019: Screening of Atlantic salmon (Salmo salar) smolts for viral infections. (external link)
• Åse Helen Garseth; Abdullah Sami Madhun; Mona Cecilie Gjessing et al. (2017). Annual report on health monitoring of wild anadromous salmonids in Norway. (external link)
• Lisbeth Sælemyr; Egil Karlsbakk; Cecilie Kristin Skår et al. (2010). Hvorfor dør leppefisken i merdene?. (external link)
• Abdullah Sami Madhun; Åse Helen Garseth; Ann Cathrine B. Einen et al. (2016). Annual report on health monitoring of Wild anadromous salmonids in Norway (Annual report 2015). (external link)
• Egil Karlsbakk; Janniche Askeland; Are Nylund (2001). Sykdommer og parasitter hos berggylt (Labrus bergylta), brukt til biologisk avlusning av laks. (external link)
• Egil Karlsbakk; Are Nylund (2001). Prosjektet "Parasittindusert dødelighet hos sild". Sluttrapport 2001. (external link)

Academic article

• Ivica Králová-Hromadová; Eva Čisovská Bazsalovicsová; Alžbeta Radačovská et al. (2026). Dominance of Dibothriocephalus ditremus over Dibothriocephalus dendriticus (Cestoda: Diphyllobothriidea) in salmonids from Lake Kalandsvatn (Western Norway) revealed by molecular genotyping. (external link)
• Dhamotharan Kannimuthu; HyeongJin Roh; Hugh Craig Morton et al. (2026). The susceptibility of Atlantic salmon and brown trout to salmonid alphavirus subtype 3 across fry, parr and post-smolt stages. (external link)
• Ken MacKenzie; Egil Erlingsson Karlsbakk; Per Arneberg et al. (2026). Parasites of sculpins (Teleostei: Agonidae, Cottidae, Psychrolutidae) in the Barents Sea. (external link)
• Ivica Králová-Hromadová; Lucia Dinisová; Alžbeta Radačovská et al. (2025). Usefulness of microsatellite loci for differentiating between Dibothriocephalus dendriticus and Dibothriocephalus ditremus (Cestoda: Diphyllobothriidea). (external link)
• Stian Nylund; Linda Andersen; Ingebjørg Oddsdotter Sævareid et al. (2011). Diseases of farmed Atlantic salmon Salmo salar associated with infections by the microsporidian Paranucleospora theridion. (external link)
• Trond Einar Isaksen; Egil Karlsbakk; Oddvar Repstad et al. (2012). Molecular tools for the detection and identification of Ichthyobodo spp. (Kinetoplastida), important fish parasites. (external link)
• Agnes Marie Mohn; Knut Vollset; Egil Karlsbakk (2020). Making the best of lousy circumstances: The impact of salmon louse Lepeophtheirus salmonis on depth preference of sea trout Salmo trutta. (external link)
• Ivica Králová-Hromadová; Eva Čisovská Bazsalovicsová; Alžbeta Radačovská et al. (2025). Genetic diversity and intercontinental dispersal of temperate and subarctic populations of Dibothriocephalus dendriticus (Cestoda; Diphyllobothriidea), a causative agent of dibothriocephalosis. (external link)
• Graham Kearn; Egil Karlsbakk; Richard Evans-Gowing et al. (2015). A new species of Entobdella Blainville in Lamarck, 1818 (Monogenea: Capsalidae: Entobdellinae) from the Greenland halibut, Reinhardtius hippoglossoides. (external link)
• Chahinez Bouguerche; Daniel C. Huston; Thomas H. Cribb et al. (2023). Hidden in the fog: Morphological and molecular characterisation of Derogenes varicus sensu stricto (Trematoda, Derogenidae) from Sweden and Norway, and redescription of two poorly known Derogenes species. (external link)
• Gunnar Steinn Gunnarsson; Egil Karlsbakk; Steffen H. Blindheim et al. (2017). Temporal changes in infections with some pathogens associated with gill disease in farmed Atlantic salmon (Salmo salar L). (external link)
• Egil Karlsbakk; Paul erik Aspholm; Vidar Berg et al. (2002). Some parasites of the smalleyed rabbitfish, Hydrolagus affinis (Capello, 1867) (Holocephali), caught in deep waters off SW Greenland. (external link)
• Egil Karlsbakk; P.A. Sæther; C. Høstlund et al. (2002). Parvicapsula pseudobranchicola n. sp. (Myxozoa), a myxosporidian infecting the pseudobranch of cultured Atlantic salmon (Salmo salar) in Norway. (external link)
• Egil Karlsbakk (2005). Occurrence of leeches (Hirudinea, Piscicolidae) on some marine fishes in Norway. (external link)
• Egil Karlsbakk; Are Nylund (2006). Trypanosomes infecting cod Gadus morhua L. in the North Atlantic: a resurrection of Trypanosoma pleuronectidium Robertson, 1906 and delimitation of T-murmanense Nikitin, 1927 (emend.), with a review of other trypanosomes from North Atlantic and Mediterranean teleosts. (external link)
• Haakon Hansen; Trygve T Poppe; Turhan Markussen et al. (2015). Seatrout (Salmo trutta) is a natural host for Parvicapsula pseudobranchicola (Myxozoa, Myxosporea), an important pathogen of farmed Atlantic salmon (Salmo salar). (external link)
• Egil Erlingsson Karlsbakk; Cecilie Flatnes Nystøyl; Heidrun Plarre et al. (2021). A novel protist parasite, Salmoxcellia vastator n. gen., n. sp. (Xcelliidae, Perkinsozoa), infecting farmed salmonids in Norway. (external link)
• Miguel Bao; Arne Levsen; Lucilla Giulietti et al. (2025). Anisakis simplex (sensu lato) and Hysterothylacium cornutum (Nematoda: Ascaridoidea) in adult Atlantic bluefin tuna (Thunnus thynnus) caught in Norway. (external link)
• Egil Karlsbakk; Eli Haugen; Are Nylund (2005). Morphology and aspects of growth of a trypanosome transmitted by the marine leech Johanssonia arctica (Piscicolidae) from Northrn Norway. (external link)
• Miguel Bao; Lucilla Giulietti; Arne Levsen et al. (2023). Resurrection of genus Phocanema Myers, 1959, as a genus independent from Pseudoterranova Mozgovoĭ, 1953, for nematode species (Anisakidae) parasitic in pinnipeds and cetaceans, respectively. (external link)
• Jan Arvid Todal; Egil Karlsbakk; Trond Isaksen et al. (2004). Ichthyobodo necator (Kinetoplastida) - a complex of sibling species. (external link)
• Egil Karlsbakk (1995). The occurrence of metacercariae of Bucephaloides gracilescens (Digenea: Gasterostomata) in an intermediate host, the four-bearded rockling, Enchelyopus cimbrius (Gadidae. (external link)
• František Moravec; Egil Karlsbakk (2000). Capillostrongyloides norvegica sp.n. (Nematoda, Capillariidae) from the stomach of the marine fish, Enchelyopus cimbrius, from western Norway. (external link)
• Lena Geitung; Frode Oppedal; Lars Helge Stien et al. (2019). Snorkel sea-cage technology decreases salmon louse infestation by 75% in a full-cycle commercial test. (external link)
• Miguel Bao; Kaja M. Olsen; Arne Levsen et al. (2022). Characterization of Pseudoterranova ceticola (Nematoda: Anisakidae) larvae from meso/bathypelagic fishes off Macaronesia (NW Africa waters). (external link)
• Hanno Sandvik; Dag Dolmen; Reidar Elven et al. (2019). Alien plants, animals, fungi and algae in Norway: an inventory of neobiota. (external link)
• Are Nylund; Egil Karlsbakk (1994). Lakselus: Nye aspekter. (external link)
• Egil Karlsbakk; Anne Berit Olsen; Ann Cathrine B. Einen et al. (2013). Amoebic gill disease due to Paramoeba perurans in ballan wrasse (Labrus bergylta). (external link)
• Egil Karlsbakk; Marianne Koie (2009). Bipteria formosa (Kovaleva et Gaevskaya, 1979) comb. n. (Myxozoa: Myxosporea) in whiting Merlangius merlangus (Teleostei: Gadidae) from Denmark. (external link)
• Hanno Sandvik; Olga Hilmo; Snorre Henriksen et al. (2020). Alien species in Norway: Results from quantitative ecological impact assessments. (external link)
• Egil Karlsbakk; Katine Skajaa; Are Nylund (2003). Parasites of cultured herring (Clupea harengus) larvae fed natural zooplankton. (external link)
• J.A. Balbuena; Egil Karlsbakk; Monica Saksvik et al. (1998). New Data on the Early Development of Hysterothylacium aduncum (Nematoda, Anisakidae). (external link)
• Lucilla Giulietti; Mohamed Reda Benallal; Paolo Cipriani et al. (2024). Post-mortem ‘soft flesh’ in three commercial fish species from off Atlantic Morocco associated with the myxosporean parasites Kudoa thyrsites and K. encrasicoli (Myxozoa). (external link)
• Egil Karlsbakk (2004). A trypanosome of Atlantic cod, Gadus morhua L., transmitted by the marine leech Calliobdella nodulifera (Malm, 1863) (Piscicolidae). (external link)
• Stein Mortensen; Anne Berit Skiftesvik; Reidun Marie Bjelland et al. (2015). Bruk av rensefisk i matfiskoppdrett. (external link)
• A. Tolonen; Egil Karlsbakk (2003). The parasite fauna of the Norwegian spring spawning herring (Clupea harengus L.). (external link)
• Shigehiko Urawa; Noriyuki Ueki; Egil Karlsbakk (1998). A review of Ichthyobodo infection in marine fishes. (external link)
• Arto Tolonen; Egil Karlsbakk (2003). Parasites of herring (Clupea harengus L.) larvae from a local Norwegian fjord stock. (external link)
• Egil Karlsbakk; Erling Otterlei; Hans Ingolf Høie et al. (2001). Parasites of cultured cod (Gadus morhua) postlarvae fed natural zooplankton. (external link)
• Dhamotharan Kannimuthu; HyeongJin Roh; Hugh Craig Morton et al. (2023). Experimental transmission of piscine orthoreovirus-1 (PRV-1) in different life stages of Atlantic salmon (Salmo salar) and brown trout (Salmo trutta). (external link)
• Are Nylund; Egil Karlsbakk; Stian Nylund et al. (2008). New clade of betanodaviruses detected in wild and farmed cod (Gadus morhua) in Norway. (external link)
• Patrick G. Gargan; Egil Karlsbakk; John Coyne et al. (2016). Sea lice (Lepeophtheirus salmonis and Caligus elongatus) infestation levels on sea trout (Salmo trutta L.) around the Irish Sea, an area without salmon aquaculture. (external link)
• Abdullah Sami Madhun; Vidar Wennevik; Egil Karlsbakk et al. (2017). The ecological profile of Atlantic salmon escapees entering a river throughout an entire season: Diverse in escape history and genetic background, but frequently virus-infected. (external link)
• Are Nylund; Kuninori Watanabe; Stian Nylund et al. (2008). Morphogenesis of salmonid gill poxvirus associated with proliferative gill disease in farmed Atlantic salmon (Salmo salar) in Norway. (external link)
• Trond Einar Isaksen; Egil Karlsbakk; Glenn Arve Sundnes et al. (2010). Patterns of Ichthyobodo necator sensu stricto infections on hatchery reared salmon (Salmo salar L.) in Norway. (external link)
• Daniel William Wright; Lena Geitung; Egil Karlsbakk et al. (2018). Surface environment modification in Atlantic salmon sea-cages: Effects on amoebic gill disease, salmon lice, growth and welfare. (external link)
• Lucilla Giulietti; Egil Erlingsson Karlsbakk; Paolo Cipriani et al. (2022). Long-term investigation of the ‘soft flesh’ condition in Northeast Atlantic mackerel induced by the myxosporean parasite Kudoa thyrsites (Cnidaria, Myxozoa): Temporal trends and new molecular epidemiological observations. (external link)
• Anders Jørgensen; Are Nylund; V Nikolaisen et al. (2011). Real-time PCR detection of Parvicapsula pseudobranchicola (Myxozoa: Myxosporea) in wild salmonids in Norway. (external link)
• Marianne Køie; Egil Karlsbakk; Are Nylund (2007). A new genus Gadimyxa with three new species (Myxozoa, Parvicapsulidae) parasitic in marine fish (Gadidae) and the two-host life cycle of Gadimyxa atlantica N. sp. (external link)
• Caroline Durif; M. Arts; F. Bertolini et al. (2023). The evolving story of catadromy in the European eel (Anguilla anguilla). (external link)
• Marianne Køie; Egil Karlsbakk (2009). Ellipsomyxa syngnathi sp n. (Myxozoa, Myxosporea) in the pipefish Syngnathus typhle and S. rostellatus (Teleostei, Syngnathidae) from Denmark. (external link)
• Turhan Markussen; Celia Agusti-Ridaura; Egil Karlsbakk et al. (2015). Detection of the myxosporean parasite Parvicapsula pseudobranchicola in Atlantic salmon (Salmo salar L.) using in situ hybridization (ISH). (external link)
• Egil Karlsbakk; Erling Otterlei; Hans Ingolf Høie et al. (2001). Parasites of cultured cod (Gadus morhua) postlarvae fed natural zooplankton. (external link)
• Haakon Hansen; Bjørn Spilsberg; Sigmund Sevatdal et al. (2024). Non-lethal detection of Eubothrium crassum (Cestoda) in farmed Atlantic salmon, Salmo salar, using anal swabs and real-time PCR. (external link)
• Nina Sandlund; Cecilie Kristin Skår; Egil Erlingsson Karlsbakk (2023). First identification of mycobacteriosis in Atlantic mackerel (Scomber scombrus). (external link)
• Andreas L Steigen; Are Nylund; Egil Karlsbakk et al. (2013). 'Cand. Actinochlamydia clariae' gen. nov., sp. nov., a unique intracellular bacterium causing epitheliocystis in catfish (Clarias gariepinus) in Uganda. (external link)
• Lucilla Giulietti; Egil Karlsbakk; Paolo Cipriani et al. (2020). Molecular characterization of the myoliquefactive fish parasite kudoa mirabilis (Cnidaria, kudoidae) from se Indian Ocean and its phylogenetic relationship with the kudoa thyrsites species complex. (external link)
• Juan Antonio Balbuena; Egil Karlsbakk; Anne Mette Kvenseth et al. (2000). Growth and emigration of third-stage larvae of Hysterothylacium aduncum (Nematoda: Anisakidae) in larval herring Clupea harengus. (external link)
• Abdullah Sami Madhun; Egil Erlingsson Karlsbakk; Øystein Skaala et al. (2024). Most of the escaped farmed salmon entering a river during a 5-year period were infected with one or more viruses. (external link)
• Kjetil Korsnes; Egil Karlsbakk; Magnus Devold et al. (2009). Tissue tropism of nervous necrosis virus (NNV) in Atlantic cod, Gadus morhua L., after intraperitoneal challenge with a virus isolate from diseased Atlantic halibut, Hippoglossus hippoglossus (L.). (external link)
• Marianne Køie; Egil Karlsbakk; Are Nylund (2002). A cystophorous cercaria and metacercaria in Antalis entalis (L.) (Mollusca, Scaphopoda) in Norwegian waters, the larval stage of Lecithophyllum botryophorum (Olsson, 1868) (Digenea, Lecithasteridae). (external link)
• Egil Karlsbakk (2004). Prevalence of trypanosome infections in marine fishes from western Norway. (external link)
• Karl Fredrik Ottem; Are Nylund; Egil Karlsbakk et al. (2007). New species in the genus Francisella (Gammaproteobacteria; Francisellaceae); Francisella piscicida sp nov isolated from cod (Gadus morhua). (external link)
• Andreas L Steigen; Egil Karlsbakk; Heidrun Plarre et al. (2014). A new intracellular bacterium, Candidatus Similichlamydia labri sp. nov. (Chlamydiaceae) producing epitheliocysts in ballan wrasse, Labrus bergylta (Pisces, Labridae). (external link)
• Egil Karlsbakk (2001). Aspects of the morphology and ecology of Otodistomum (Digenea, Azygiidae) metacercariae in an intermediate host, Enchelyopus cimbrius (Pisces, Phycidae). (external link)
• Karl Fredrik Ottem; Are Nylund; Egil Karlsbakk et al. (2009). Elevation of Francisella philomiragia subsp. noatunensisMikalsen et al. (2007) to Francisella noatunensis comb. nov. [syn. Francisella piscicida Ottem et al. (2008) syn. nov.] and characterization of Francisella noatunensis subsp. orientalis subsp. nov., two important fish pathogens. (external link)
• Thomas Torgersen; Egil Karlsbakk; Stein Kaartvedt (2002). Deviating vertical distribution and increased conspicuousness of parasitized Calanus. (external link)
• Trond Einar Isaksen; Egil Karlsbakk; Are Nylund (2007). Ichthyobodo hippoglossi n. sp. (Kinetoplastea: Prokinetoplastida: Ichthyobodonidae fam. nov.), an ectoparasitic flagellate infecting farmed Atlantic halibut Hippoglossus hippoglossus. (external link)
• Kjetil Korsnes; Egil Karlsbakk; Magnus Devold et al. (2009). Tissue tropism of nervous necrosis virus (NNV) in Atlantic cod, Gadus morhua L., after intraperitoneal challenge with a virus isolate from diseased Atlantic halibut, Hippoglossus hippoglossus (L.). (external link)
• Egil Karlsbakk; Trond Einar Isaksen; D. Perez-Lopez et al. (2007). Myxosporeans infecting Atlantic cod (Gadus morhua) in Norway: pests in cod culture?. (external link)
• Kevin Glover; Anne Grete Eide Sørvik; Egil Karlsbakk et al. (2013). Molecular Genetic Analysis of Stomach Contents Reveals Wild Atlantic Cod Feeding on Piscine Reovirus (PRV) Infected Atlantic Salmon Originating from a Commercial Fish Farm. (external link)
• Stian Nylund; Andreas L Steigen; Egil Karlsbakk et al. (2014). Characterization of ‘Candidatus Syngnamydia salmonis’ (Chlamydiales, Simkaniaceae), a bacterium associated with epitheliocystis in Atlantic salmon (Salmo salar L.). (external link)
• Ingvild Wangen; Egil Karlsbakk; Ann Cathrine B. Einen et al. (2012). Fate of Francisella noatunensis, a pathogen of Atlantic cod Gadus morhua, in blue mussels Mytilus edulis. (external link)
• Egil Karlsbakk (2001). Didymozoid larvae (Trematoda) in the body musculature of cultured Atlantic herring larvae (Clupea harengus). (external link)
• Marianne Køie; Egil Karlsbakk; Are Nylund (2007). Parvicapsula bicornis n. sp and P-limandae n. sp (Myxozoa, Parvicapsulidae) in Pleuronectidae (Teleostei, Heterosomata) from Denmark. (external link)
• Lucilla Giulietti; Heidi Johansen Nedberg; Egil Erlingsson Karlsbakk et al. (2022). Distribution of Kudoa thyrsites (Cnidaria, Myxozoa) myoliquefactive stages in Northeast Atlantic mackerel (Scomber scombrus) inferred from qPCR and histology. (external link)
• Julia Endresen Storesund; Caroline Da Silva Nylund; Egil Erlingsson Karlsbakk et al. (2022). High prevalence of Ichthyophonus sp. infections in Northeast Atlantic mackerel (Scomber scombrus). (external link)
• Eeva Jansson; Maria Quintela Sanchez; Geir Dahle et al. (2017). Genetic analysis of goldsinny wrasse reveals evolutionary insights into population connectivity and potentialevidence of inadverent translocationvia aquaculture.. (external link)
• Mats Bøgwald; Cecilie Kristin Skår; Egil Erlingsson Karlsbakk et al. (2022). Infection cycle of Marteilia pararefringens in blue mussels Mytilus edulis in a heliothermic marine oyster lagoon in Norway. (external link)
• Alf Seljenes Dalum; Helene Wisløff; Herman Høgenes Kvinnsland et al. (2021). Histopathological description of an emerging disease in Norwegian salmonid aquaculture caused by an x-cell parasite. (external link)
• Lars Are Hamre; Egil Karlsbakk (2002). Metazoan parasites of Maurolicus muelleri (Gmelin) (Sternoptychidae) in Herdlefjorden, western Norway. (external link)
• Thomas Torgersen; Egil Karlsbakk; Stein Kaartvedt (2002). Deviating vertical distribution and increased conspicuousness in parasitized Calanus. (external link)
• Egil Karlsbakk; Marianne Køie (2011). Morphology and SSU rDNA sequences of Ortholinea orientalis (Shul'man and Shul'man-Albova, 1953) (Myxozoa, Ortholineidae) from Clupea harengus and Sprattus sprattus (Clupeidae) from Denmark. (external link)
• Haakon Hansen; Egil Karlsbakk (2018). Pacific false kelpfish, Sebastiscus marmoratus (Cuvier, 1829) (Scorpaeniformes, Sebastidae) found in Norwegian waters. (external link)
• Abdullah Sami Madhun; Cecilie Helen Isachsen; Linn Maren Omdal Strandenes et al. (2016). Occurrence of salmonid alphavirus (SAV) and piscine orthoreovirus (PRV) infections in wild sea trout Salmo trutta in Norway. (external link)
• Egil Karlsbakk; Ann Cathrine B. Einen; Pavla Bartosova (2013). Sphaeromyxa artedielli sp n. (Myxozoa: Sphaeromyxidae), a parasite of sculpins (Cottidae) in northern Norway. (external link)
• Abdullah Sami Madhun; Egil Karlsbakk; Cecilie Helen Isachsen et al. (2015). Potential disease interaction reinforced: double-virusinfected escaped farmed Atlantic salmon, Salmo salar L., recaptured in a nearby river. (external link)
• Malthe Hvas; Egil Karlsbakk; Stig Mæhle et al. (2017). The gill parasite Paramoeba perurans compromises aerobic scope, swimming capacity and ion balance in Atlantic salmon.. (external link)
• Marianne Køie; Egil Karlsbakk; Ann Cathrine B. Einen et al. (2013). A parvicapsulid (Myxozoa) infecting Sprattus sprattus and Clupea harengus (Clupeidae) in the Northeast Atlantic uses Hydroides norvegicus (Serpulidae) as invertebrate host. (external link)
• Haakon Hansen; Anja Helene Alvestad; Ken MacKenzie et al. (2020). Gyrodactylus triglopsi n. sp. (Monogenea: Gyrodactylidae) from the Gills of Triglops nybelini Jensen, 1944 (Teleostei: Cottidae) in the Barents Sea. (external link)
• Egil Karlsbakk; PE Aspholm; Vidar Berg et al. (2002). Some parasite of the small-eyed rabbitfish, Hydrolagus affinis (Capello, 1867)(Holocephali), caught in deep waters off SW Greenland. (external link)
• Silje Sveen; Hanne Øverland; Egil Karlsbakk et al. (2012). Paranucleospora theridion (Microsporidia) infection dynamics in farmed Atlantic salmon Salmo salar put to sea in spring and autumn. (external link)
• Kjetil Korsnes; Egil Karlsbakk; Cecilie Kristin Skår et al. (2017). High nervous necrosis virus (NNV) diversity in wild wrasse (Labridae) in Norway and Sweden. (external link)
• Egil Karlsbakk; Árni Kristmundsson; Marco Albano et al. (2017). Redescription and phylogenetic position of Myxobolus ‘eglefini’ and Myxobolus platessae n. comb. (Myxosporea), parasites in the cartilage of some North Atlantic marine fishes, with notes on the phylogeny and classification of the Platysporina. (external link)
• Steffen Hageselle Blindheim; Linda Andersen; Christiane Trösse et al. (2023). Growth characteristics and morphology of Paramoeba perurans from Atlantic salmon Salmo salar L. and ballan wrasse Labrus bergylta in Norway. (external link)
• A. M. Kvenseth; Are Nylund; Egil Karlsbakk et al. (1995). Temperatureffekter ved avlusing med Salmosan. (external link)
• Lena Geitung; Daniel William Wright; Lars Helge Stien et al. (2021). Tapeworm (Eubothrium sp.) infestation in sea caged Atlantic salmon decreased by lice barrier snorkels during a commercial-scale study. (external link)
• Ole Martin Vik Dahle; Steffen H. Blindheim; Are Nylund et al. (2020). Atlantic salmon Salmo salar and ballan wrasse Labrus bergylta display different susceptibility to clonal strains of Paramoeba perurans. (external link)
• Abdullah Sami Madhun; Cecilie Helen Isachsen; Linn Maren Omdal Strandenes et al. (2018). Prevalence of piscine orthoreovirus and salmonid alphavirus in sea-caught returning adult Atlantic salmon (Salmo salar L.) in northern Norway. (external link)
• Marianne Køie; Egil Karlsbakk; Are Nylund (2008). The marine herring myxozoan Ceratomyxa auerbachi (Myxozoa : Ceratomyxidae) uses Chone infundibuliformis (Annelida : Polychaeta : Sabellidae) as invertebrate host. (external link)
• Eva Bazsalovicsová; Gabriel Minárik; Katarína Šoltys et al. (2020). Development of 14 microsatellite markers for zoonotic tapeworm dibothriocephalus dendriticus (Cestoda: Diphyllobothriidea). (external link)
• Andreas L Steigen; Are Nylund; Heidrun Plarre et al. (2018). Presence of selected pathogens on the gills of five wrasse species in western Norway. (external link)
• Are Nylund; Egil Karlsbakk; Stian Nylund et al. (2008). New clade of betanodaviruses detected in wild and farmed cod (Gadus morhua) in Norway. (external link)
• Abdullah Sami Madhun; Rune Nilsen; Bjørn Torgeir Barlaup et al. (2023). Occurrence of salmonid alphavirus and piscine orthoreovirus-1 infections in migrating salmon (Salmo salar L.) post-smolt in western Norway. (external link)
• Trond Einar Isaksen; Egil Karlsbakk; Kuninori Watanabe et al. (2011). Ichthyobodo salmonis sp n. (Ichthyobodonidae, Kinetoplastida), an euryhaline ectoparasite infecting Atlantic salmon (Salmo salar L.). (external link)
• Are Nylund; Haakon Hansen; Øyvind Jakobsen Brevik et al. (2018). Infection dynamics and tissue tropism of Parvicapsula pseudobranchicola (Myxozoa: Myxosporea) in farmed Atlantic salmon (Salmo salar). (external link)
• Gunnar Steinn Gunnarsson; Steffen H. Blindheim; Egil Karlsbakk et al. (2017). Desmozoon lepeophtherii (microsporidian) infections and pancreas disease (PD) outbreaks in farmed Atlantic salmon (Salmo salar L.). (external link)
• Eugene M. Burreson; Egil Karlsbakk (2007). Multiplication of Trypanosoma pacifica (Euglenozoa : Kinetoplastea) in English sole, Parophrys vetulus, from Oregon coastal waters. (external link)
• Stian Nylund; Are Nylund; Kuninori Watanabe et al. (2010). Paranucleospora theridion n. gen., n. sp. (Microsporidia, Enterocytozoonidae) with a life cycle in the salmon louse (Lepeophtheirus salmonis, Copepoda) and Atlantic salmon (Salmo salar). (external link)
• Anne-Katrine L. Haldorsen; Erik-Jan Lock; Josef Daiel Rasinger et al. (2017). Lower levels of Persistent Organic Pollutants, metals and the marine omega 3-fatty acid DHA in farmed compared to wild Atlantic salmon (Salmo salar). (external link)
• Lucilla Giulietti; Arne Levsen; Miguel Bao et al. (2024). First Report of ‘Soft Flesh’ Induced by the Parasite Kudoa thyrsites (Myxosporea) in Commercial Codfish From Norway. (external link)
• Egil Karlsbakk; Are Nylund; P.A. Sæther et al. (2002). Parvicapsulose - ny sykdom? Litt om Parvicapsula infeksjoner hos norsk oppdrettslaks. (external link)
• Trond Einar Isaksen; Egil Karlsbakk; Jan A. Trodal et al. (2002). Ichthyobodo infeksjoner hos laks i et settefiskanlegg: Infeksjondynamikk, morfologi og smittekilder. (external link)
• Frantiek Moravec; Egil Karlsbakk (2000). Capillostrongyloides norvegica sp.n. (Nematoda, Capillariidae) from the stomach of the marine fish, Enchelyopus cimbrius, from western Norway. (external link)
• Jessica C. Johnson-Mackinnon; Philip B.B. Crosbie; Egil Karlsbakk et al. (2019). Multilocus sequence typing (MLST) and random polymorphic DNA (RAPD) comparisons of geographic isolates of Neoparamoeba perurans, the causative agent of amoebic gill disease. (external link)
• Are Nylund; Egil Karlsbakk; Per Anton Sæther et al. (2005). Parvicapsula pseudobranchicola (Myxosporea) in farmed Atlantic salmon Salmo salar: tissue distribution, diagnosis and phylogeny. (external link)
• Kjetil Korsnes; Egil Karlsbakk; Are Nylund et al. (2012). Horizontal transmission of nervous necrosis virus between turbot Scophthalmus maximus and Atlantic cod Gadus morhua using cohabitation challenge. (external link)
• Karl Fredrik Ottem; Are Nylund; Trond Einar Isaksen et al. (2008). Occurrence of Francisella piscicida in farmed and wild Atlantic cod, Gadus morhua L., in Norway. (external link)
• Abdullah Sami Madhun; Stig Mæhle; Vidar Wennevik et al. (2019). Prevalence and genotypes of infectious salmon anaemia virus (ISAV) in returning wild Atlantic salmon (Salmo salar L.) in northern Norway. (external link)
• Geir Lasse Taranger; Ørjan Karlsen; Raymond Bannister et al. (2015). Risk assessment of the environmental impact of Norwegian Atlantic salmon farming. (external link)
• Egil Karlsbakk; Marianne Køie (2012). The marine myxosporean Sigmomyxa sphaerica (Thelohan, 1895) gen. n., comb. n. (syn. Myxidium sphaericum) from garfish (Belone belone (L.)) uses the polychaete Nereis pelagica L. as invertebrate host. (external link)
• Rasmus Skern-Mauritzen; Ketil Malde; Christiane Eichner et al. (2021). The salmon louse genome: Copepod features and parasitic adaptations. (external link)
• Karl Fredrik Ottem; Are Nylund; Egil Karlsbakk et al. (2007). Characterization of Francisella sp., GM2212, the first Francisella isolate from marine fish, Atlantic cod (Gadus morhua). (external link)
• Chahinez Bouguerche; Daniel C. Huston; Egil Erlingsson Karlsbakk et al. (2024). Untangling the Derogenes varicus species complex in Scandinavian waters and the Arctic: description of Derogenes abba n. sp. (Trematoda, Derogenidae) from Hippoglossoides platessoides and new host records for D. varicus (Müller, 1784) sensu stricto. (external link)
• Shigehiko Urawa; Yoshisuke Iida; Mark A. Freeman et al. (2009). Morphological and molecular comparisons of myxobolus spp. in the nerve tissues of salmonid fishes with the description of myxobolus murakamii n. sp., the causative agent of myxosporean sleeping disease. (external link)
• Are Nylund; Karl Fredrik Ottem; Kuninori Watanabe et al. (2006). Francisella sp. (family Francisellacea) causing mortality in Norwegian cod (Gadus morhua) farming. (external link)

Dataset

• Alejandro Mateos-Rivera; Maria Quintela; Francois Besnier et al. (2026). Genetic analyses suggest the parasitic copepod Caligus elongatus (Caligidae) in the North Atlantic comprise two non-hybridising species. (external link)

Other presentation

• Nina Sandlund; Egil Erlingsson Karlsbakk; Sonal Patel et al. (2015). Brakklegging – Smittespredning og sykdomskontroll.. (external link)

Conference lecture

• Asthildur Erlingsdottir; Egil Erlingsson Karlsbakk; Haakon Hansen et al. (2025). Unveiling the life cycle of P. pseudobranchicola: Insights from the ParviLife project. (external link)
• Trond Einar Isaksen; Egil Karlsbakk; Are Nylund (2008). Ichthyobodo infeksjoner i norsk oppdrett. (external link)
• Trond Einar Isaksen; Are Nylund; Karl Fredrik Ottem et al. (2008). Nodavirus og VHS virus påvist hos marine villfisk i Norge. (external link)
• Stian Nylund; Are Nylund; Kuninori Watanabe et al. (2009). Paranucleospora theridion n. gen., n. sp. (Microsporidia, Enterocytozoonidae) with a life cycle in the salmon louse (Lepeophtheirus salmonis, Copepoda) and Atlantic salmon (Salmo salar). (external link)
• Trond Einar Isaksen; Egil Karlsbakk; Are Nylund (2009). Ichthyobodo infections in Norwegian fish farms. (external link)
• Svein Arnholt Iversen; Webjørn Raunsgård Melle; Espen Bagøien et al. (2008). The Antarctic krill and ecosystem survey with r/v GO Sars, in 2008. (external link)
• Øyvind Jakobsen Brevik; Egil Karlsbakk; Haakon Hansen et al. (2013). Prevalens og infeksjonsvindu til Parvicapsula pseudobranchicola. (external link)
• Benedicte R. E. Warland; Kathrine Nilsen; Lindsey Moore et al. (2018). Nucleospora cyclopteri ( Microspora ): Tissue Tropism, Shedding and Non-Lethal Detection. (external link)
• Janniche Askeland; Egil Karlsbakk; Are Nylund (2001). Parasites of ballan wrasse (Labridae; Labrus bergylta). (external link)
• Anne Vossgård; Egil Karlsbakk; Sonal Patel et al. (2018). Susceptibility of brown trout (Samo trutta) and Atlantic salmon (Salmo salar) to important viral pathogens (SAV3 and PRV1). (external link)
• Haakon Hansen; Øyvind Jakobsen Brevik; Anders Jørgensen et al. (2013). The distribution of Parvicapsula pseudobranchicola in wild salmonids in Norway. (external link)
• Øivind Bergh; Nina Sandlund; Irja Sunde Roiha et al. (2007). Managing microbial ecology in atlantic cod Gadus morhua hatcheries: pathology, therapy and prophylaxis by microbial control. (external link)
• Trond Einar Isaksen; Egil Karlsbakk; Karl Fredrik Ottem et al. (2007). Screening av smittestoffer i vill stamfisk. (external link)
• Trond Einar Isaksen; Stian Nylund; Are Nylund et al. (2007). Nodavirus infections in farmed and wild Atlantic cod (Gadus morhua L.) in Norway. (external link)
• Trine Sakariassen; Kristian Ruud; Sigmund Sevatdal et al. (2019). Infestasjon og smittedynamikk av bendelmark (Eubothrium sp.) i oppdrettslaks. (external link)
• Frode Oppedal; Malthe Hvas; Egil Karlsbakk (2017). The gill parasite Paramoeba perurans compromises aerobic scope and swimming capacity in Atlantic salmon Salmo salar. (external link)
• Nina Sandlund; Stein Mortensen; Egil Karlsbakk et al. (2018). Screening for pathogens in wild goldsinny wrasse (Ctenolabrus rupestris), an important cleaner fish in Norwegian aquaculture. (external link)
• Are Nylund; Egil Karlsbakk; Christian Koren et al. (2003). A sensitive PCR diagnostic for Parvicapsula pseudobranchicola, a myxozoan parasite of farmed Atlantic salmon in Norway. (external link)
• Are Nylund; Egil Karlsbakk; J.A. Holm (1999). PKD på regnbueørret assosiert med virus?. (external link)
• Egil Karlsbakk; Are Nylund (1999). Trypanosomes of Norwegian marine fishes. (external link)
• Nina Sandlund; Cecilie Kristin Skår; Egil Erlingsson Karlsbakk (2023). First identification of mycobacteriosis in Atlantic mackerel (Scomber scombrus). (external link)
• Cecilie F. Myklebust; Egil Karlsbakk; Are Nylund (1998). Parasitter hos lysing (Merluccius merluccius (L.)) - et problem i fremtidig lysingoppdrett?. (external link)
• Nina Sandlund; Julie Aga; Anne Berit Skiftesvik et al. (2023). Black spot syndrom in wild rock cook (Centolabrus exolatus; Labridae). (external link)
• Anne Helene S. Tandberg; Pedro Rendón-Barraza; Egil Erlingsson Karlsbakk et al. (2023). Assessing the diversity of amphipods associated with non-crustacean zooplankton in Norway: The ParaZoo project. (external link)
• Bjørn Olav Kvamme; Sonal Patel; Egil Karlsbakk et al. (2018). Susceptibility of sea trout post-smolts to SAV and PRV. (external link)
• Nina Sandlund; Ann-Lisbeth Agnalt; Ann Cathrine B. Einen et al. (2015). Experiencec with American lobster (Homarus americanus) and shell disease from Norway.. (external link)

Professional article

• Arni Kristmundsson; Ásthildur Erlingsdóttir; Egil Erlingsson Karlsbakk et al. (2025). Den endelige verten til Parvicapsula pseudobranchicola er identifisert: Et skritt mot bedre håndtering av parvicapsulose i akvakultur.. (external link)
• Erik Sterud; Haakon Hansen; Anne Tjessem et al. (2025). Spironucleus salmonicida-fiskeparasittenes svar på Dr. Jekyll & Mr. Hyde. (external link)

Popular science article

• Stein Mortensen; Kevin Glover; Egil Karlsbakk et al. (2014). Transport og utsettinger av levende leppefisk. (external link)
• Egil Karlsbakk; Eli Haugland; Are Nylund (1999). Kongekrabbeparasitter og torskebestanden - grunn til bekymring?. (external link)
• Are Nylund; Egil Karlsbakk (1999). Parasitter til besvær?. (external link)
• Stein Mortensen; Kevin Glover; Egil Karlsbakk et al. (2014). Transport og utsettinger av levende leppefisk. (external link)
• Stein Mortensen; Egil Karlsbakk; Nina Sandlund et al. (2014). Risiko ved bruk av rensefisk i norsk oppdrett. (external link)
• Janniche Askeland; Egil Karlsbakk; Are Nylund (2002). Parasitter hos berggylt: Patogener for laks og berggylt i merd?. (external link)
• Abdullah Sami Madhun; Egil Karlsbakk (2014). Virussmitteovervåking av vill sjøørret. (external link)
• Egil Karlsbakk; Marta Alarcon; Haakon Hansen et al. (2014). Sykdom og parasitter i vill og oppdrettet rognkjeks. (external link)
• Anne Berit Skiftesvik; Stein Mortensen; Kjell Harald Nedreaas et al. (2015). Fremdeles stort behov for kunnskap om leppefisk. (external link)
• Egil Karlsbakk (2000). Parasitter hos marine fiskelarver og yngel startfôret med naturlig zooplankton. (external link)
• Are Nylund; Egil Karlsbakk; Cecilie Myklebust et al. (2006). Ny parasitt påvist hos regnbueørret og laks i oppdrett på Vestlandet. (external link)
• Are Nylund; Egil Karlsbakk; Trond E. Isaksen et al. (2005). "Ichthyobodose", et problem - mange arter. (external link)
• Egil Karlsbakk; Sigurd O. Handeland; Magnus Devold et al. (2003). Sykdomsproblemer hos torskelarver og yngel. (external link)
• Egil Karlsbakk; J. Askeland; A. Nylund (2011). Parasitter hos berggylte. (external link)
• Egil Karlsbakk (2000). Parasitter hos marine fiskelarver og yngel startfôret med naturlig zooplankton. (external link)
• Egil Karlsbakk; Trond Einar Isaksen; Are Nylund et al. (2008). CodPath prosjektet: kartlegging av sykdomsagens hos villtorsk. En kort presentasjon. (external link)
• Trond Einar Isaksen; Øyvind Jakobsen Brevik; Paul J. Midtlyng et al. (2009). Nyrebiopsi for påvisning av smittsomme patogener hos torsk. (external link)

Academic book chapter

• Egil Karlsbakk; Kjartan Hodneland; Are Nylund (1996). (Chapter 18). Health status of goldsinny wrasse, including a detailed examination of the parasite community at Flødevigen, southern Norway. (external link)
• A Karasev; T.A. Karaseva; Egil Karlsbakk (2011). Diseases and parasites. (external link)
• Egil Karlsbakk; Are Nylund (2007). Parvicapsula pseudobranchicola. (external link)
• Egil Karlsbakk; T.E. Isaksen; Are Nylund (2007). Ichthyobodo spp. infections. (external link)
• Egil Karlsbakk (2001). Myxozoa. (external link)

Doctoral thesis (PhD)

• Egil Karlsbakk (2006). Aspects of the morphology and ecology of some North Atlantic marine fish trypanosomes. (external link)
• Jiraporn Jarungsriapisit; Sonal Patel; Egil Karlsbakk (2016). Salmonid alphavirus infection in Atlantic salmon, Salmo salar L. Bath challenge model, viral shedding and host susceptibility. (external link)

Lecture

• Stein Mortensen; Egil Karlsbakk; Lisbeth S Harkestad et al. (2011). Fangsting og bruk av villfanget leppefisk – innenfor bærekraftige rammer?. (external link)
• Haakon Hansen; Egil Karlsbakk; Kristian Ruud et al. (2019). Infestation and infection dynamics of tapeworms (Eubothrium sp.) in farmed Atlantic salmon. (external link)
• Stein Mortensen; Egil Karlsbakk; Lisbeth Sælemyr et al. (2013). Biologi, helse og velferd hos leppefisk. (external link)
• Egil Karlsbakk; Anders Jørgensen; Karl Fredrik Ottem et al. (2014). ”Parvicapsula – en introduksjon”. (external link)
• Turhan Markussen; Celia Agusti; Egil Karlsbakk et al. (2015). Påvisning av parasitten Parvicapsula pseudobranchicola (Myxozoa) i atlantisk laks ved in situ hybridisering. (external link)
• Stein Mortensen; Lisbeth Sælemyr; Cecilie Kristin Skår et al. (2014). Fangst, transport og bruk av vill leppefisk. Miljøeffekter, sykdommer og smittespredningsrisiko - risikoanlyse eller kost-nytteverdi?. (external link)
• Trond Einar Isaksen; Karl Fredrik Ottem; Egil Karlsbakk et al. (2007). Smittestoffer hos villfisk og oppdrettstorsk - Forekomst av Francisella sp. og nodavirus. (external link)
• Bjørn Olav Kvamme; Abdullah Sami Madhun; Mark Powell et al. (2018). Vurdering av smittespreiing frå oppdrett til villfisk. (external link)

Conference poster

• Oda Klingenberg; Haakon Hansen; Egil Karlsbakk et al. (2019). Histology and anatomy of clinically healthy Atlantic lumpfish, Cyclopterus lumpus L.). (external link)
• Haakon Hansen; Turhan Ali Dadasbilge Markussen; Simon Chioma Weli et al. (2019). Detection of the microsporidian Nucleospora cyclopteri in tissue samples from lumpfish (Cyclopterus lumpus) using in situ hybridization (ISH). (external link)
• Haakon Hansen; Marta Alarcon; Egil Karlsbakk et al. (2017). Parasittiske infeksjoner og vertsreaksjoner hos rognkjeks (Parasitic infections and host response in lumpsucker). (external link)
• Rune Nilsen; Egil Karlsbakk; Sussie Dalvin et al. (2018). Anadromous whitefish (Coregonus lavaretus L.) as host for salmon lice (Lepeophtheirus salmonis Krøyer). (external link)
• Nina Sandlund; Egil Karlsbakk; Erling Otterlei et al. (2007). Cod, Gadus morhua, yolk sac larvae experimentally challenged with opportunistic bacteria. (external link)
• Trond Einar Isaksen; Egil Karlsbakk; Are Nylund (2006). Kveite-costia - Ny type, nye problem?. (external link)
• Diana Perez Lopez; Egil Karlsbakk; Are Nylund (2005). Myxidium oviforme Parisi, 1912, a myxosporean parasite infecting Atlantic cod (Gadus morhua) in the northeast Atlantic. (external link)
• Egil Karlsbakk; Cecilie F. Myklebust; Kuninori Watanabe et al. (2003). A systemic disease of cultured rainbow trout, associated with an unidentified protist showing affinities to the Perkinsea. (external link)
• Cecilie F. Myklebust; Egil Karlsbakk (1999). The parasite fauna of hake (Merluccius merluccius) in western Norway. (external link)
• Oda Klingenberg; Haakon Hansen; Egil Karlsbakk et al. (2019). Normal histologi og anatomi hos rognkjeks, Cyclopterus lumpus, fra klekketidspunkt til utsett i sjø. (external link)
• Haakon Hansen; Turhan Markussen; Simon Chioma Weli et al. (2019). Studier av parasitten Nucleospora cyclopteri i vev hos rognkjeks ved bruk av in situ hybridisering. (external link)
• Lars Are Hamre; Egil Karlsbakk (1999). Examining the possible influence of Hysterothylacium aduncum (Nematoda) on the population dynamics of Maurolicus muelleri (Sternoptychidae). (external link)
• Glenn Sundnes; Egil Karlsbakk; Are Nylund (2001). Infections by cestodes, Eubothrium crassum (Bloch) and Proteocephalus longicollis (Rudolphi), in hatchery reared salmon (Salmo salar L.) in western Norway. (external link)
• Trond Einar Isaksen; Egil Karlsbakk; Are Nylund (2001). Protozoan ectosymbionts on hatchery reared salmon (Salmo salar L.) in western Norway. (external link)
• Janniche Askeland; Egil Karlsbakk (1999). Parasites of ballan wrasse (Labrus bergylta) in Norway, with special reference to the dynamics of Caligus centrodonti. (external link)
• Janniche Askeland; Egil Karlsbakk; Are Nylund (2001). Parasitter hos berggylte (Labridae; Labrus bergylta). (external link)
• Jan Arvid Todal; Are Nylund; Egil Karlsbakk (2001). A genetic and morphological study of Ichthyobodo spp. from marine and freshwater hosts. (external link)
• Egil Karlsbakk; Janniche Askeland; H. Plarre (2001). Microsporidian infections in two Norwegian wrasse species (Labridae), Symphodus melops (L.) and Labrus bergylta Ascanius. (external link)
• Malthe Hvas; Egil Karlsbakk; Frode Oppedal (2017). The gill parasite Paramoeba perurans compromises aerobic scope, swimming capacity and ion balance in Atlantic salmon.. (external link)
• Julia Endresen Storesund; Caroline Da Silva Nylund; Egil Erlingsson Karlsbakk et al. (2022). Prevalence and phylogenetic affiliation of Ichthyophonus sp. in Atlantic mackerel, Scomber scombrus.. (external link)
• Lucilla Giulietti; Mohamed Reda Benallal; Paolo Cipriani et al. (2022). Parasite-induced ‘soft flesh’ in some commercially important pelagic fish species from off Morocco: product quality implications.. (external link)
• Miguel Bao Dominguez; Kaja M. Olsen; Paolo Cipriani et al. (2022). Morphological characterization of a 3rd stage larva genetically identified as Pseudoterranova sp. cf. ceticola (Nematoda: Anisakidae) from mesopelagic fishes off NW Africa.. (external link)
• Rune Nilsen; Egil Karlsbakk; Sussie Dalvin et al. (2017). Anadromous whitefi sh (Coregonus lavaretus L.) as host for salmon lice(Lepeophtheirus salmonis Krøyer). (external link)
• Anne Helene S. Tandberg; Pedro Rendón-Barraza; Egil Erlingsson Karlsbakk et al. (2023). Assessing the diversity of amphipods associated with non-crustacean zooplankton in Norway: the ParaZoo project. (external link)

Working paper

• Egil Karlsbakk; Are Nylund; Frank Nilsen (2002). Kompendium i fiskesykdommer. Fiskeparasitter. (external link)
• Egil Karlsbakk; Are Nylund; Frank Nilsen (2001). Kompendium i Fiskesykdommer. Fiskeparasitter. (external link)
• Egil Karlsbakk; Are Nylund; F. Nilsen (1994). Kompendium i fiskeparasittologi. (external link)

Master’s thesis

• Jan Arvid Todal; Are Nylund; Egil Karlsbakk (2007). Ichthyobodo necator (Kinetoplastida) - a complex of sibling species. (external link)

Journal corrigendum

• Egil Erlingsson Karlsbakk; Cecilie Flatnes Nystøyl; Heidrun Plarre et al. (2022). Correction: A novel protist parasite, Salmoxcellia vastator n. gen., n. sp. (Xcelliidae, Perkinsozoa), infecting farmed salmonids in Norway (Parasites & Vectors, (2021), 14, 1, (431), 10.1186/s13071-021-04886-0). (external link)

Media interview

• Egil Karlsbakk; Kristian Landmark Skaar (2006). Kongekrabbeparasitter utgjør ingen fare for torsken. (external link)

Non-fiction book chapter

• Pål Arne Bjørn; Thomas Bøhn; Terje van der Meeren et al. (2022). Risiko knyttet til effekter av torskeoppdrett i åpne merder på ville torskebestander. (external link)
• Pål Arne Bjørn; Erik Berg; Thomas Bøhn et al. (2022). Effekter av torskeoppdrett i åpne merder på ville torskebestander. (external link)

Academic literature review

• Egil Karlsbakk; Trond Einar Isaksen; Karl Fredrik Ottem et al. (2008). Viktige patogener i kystsonen. (external link)
• Egil Karlsbakk; Trond Einar Isaksen; Lars Are Hamre (2009). Hva vet vi om parasitter og oppdrett av torsk?. (external link)

See a complete overview of publications in NVA.