I am broadly interested in the diversity, systematics and ecology of ctenophores and medusozoan cnidarians. My recent work focuses on integrative morphological and molecular taxonomy of these groups, including reference libraries of DNA barcodes. My research also includes descriptive studies on faunistics and spatial and temporal distributions of gelatinous zooplankton based on both physical sampling, optical methods and, more recently, eDNA, as well as experimental work on their ecological and trophic roles in the pelagic.

I am a member of ICES Working Groups on Integrated Morphological and Molecular Taxonomy (WGIMT) and Zooplankton Ecology (WGZE), SCOR working group #157 and UN Ocean Decade Action No. 102.2 MetaZooGene, and The Hydrozoan Society

BIO325 Ocean Science

BIO232 Systematics and Evolution of Marine Invertebrates

ForBio and NorHydro course: Diversity, Systematics and Biology of Hydrozoa

ForBio and MEDUSA course: Zooplankton Communities – Taxonomy and Methods

2025

• Janna Peters; Aitor Albaina; Leocadio Blanco-Bercial et al. (2025). Taxonomic uncertainty in North Atlantic and Mediterranean zooplankton limits species-level monitoring accuracy. (external link)
• Aino Laila Johanna Hosia; Katrine Kongshavn; Endre Willassen (2025). 2008 NorBOL, DNA-strekkoding, og naturhistoriske samlinger. (external link)
• Kari Klæboe Årrestad; Asbjørn Engevik; Aino Laila Johanna Hosia et al. (2025). 1940 Bergensbuene – et særegent geologisk fenomen. (external link)
• Aino Laila Johanna Hosia; Katrine Kongshavn; Endre Willassen (2025). 2009 Artsprosjektet bidrar til nye arter og nye biosystematikere. (external link)
• Anne Gro Vea Salvanes; Natalya Gallo; Martine Røysted Solås et al. (2025). Deep Fjords Are Excellent Natural Infrastructure for Climate Impact Studies. (external link)
• Torbjørn Ekrem; Inger Greve Alsos; Hugo de Boer et al. (2025). What’s up with the Norwegian Barcode of Life (NorBOL). (external link)
• Kari Klæboe Årrestad; Asbjørn Engevik; Aino Laila Johanna Hosia et al. (2025). To hundre fortellinger på to hundre år. (external link)
• Javier Montenegro; Jessica Kolbusz; Yakufu Niyazi et al. (2025). An unexpected journey – the arctic deep-sea halicreatid trachymedusa Botrynema brucei ellinorae off Florida: a reassessment under an integrative taxonomic approach. (external link)
• Aino Laila Johanna Hosia; Katrine Kongshavn; Endre Willassen (2025). 2010 Mareanoprosjektet. (external link)
• Aino Laila Johanna Hosia; Anne Helene S. Tandberg; Nicolas Straube (2025). 2023 Dypdykk med OceanX. (external link)

2016

• Aino Hosia (2016). HYPNO – Hydrozoan pelagic diversity in Norway. (external link)
• Aino Hosia; Priscilla Licandro; Webjørn Raunsgård Melle (2016). Cydippids rule – Jellies in VPR images from the Trans-Atlantic Euro-Basin cruise. (external link)
• Randi Brunvær Ingvaldsen; Ann Bucklin; Melissa Chierici et al. (2016). Cruise report SI_ARCTIC/Arctic Ecosystem survey R/V Helmer Hanssen, 17 August - 7 September 2015. (external link)
• Priscilla Licandro; Aino Hosia; Tor Knutsen (2016). Biogeography and biomass of North Atlantic jellyfish. (external link)
• Aino Hosia (2016). HYPNO – Hydrozoan pelagic diversity in Norway. (external link)
• Aino Hosia; Sanna Kristiina Majaneva; Priscilla Licandro et al. (2016). Look and you shall find – jellies and standard zooplankton surveys. (external link)
• Sanna Kristiina Majaneva; Aino Hosia; Steven H.D. Haddock et al. (2016). Ctenophores – native aliens in Norwegian waters (GooseAlien). (external link)
• Aino Hosia; Sanna Majaneva; Priscilla Licandro et al. (2016). Including gelatinous zooplankton in plankton surveys – challenges, suggestions and potential gain. (external link)
• Aino Hosia (2016). Jellyfish diversity in Norway and its implications. (external link)
• Sanna Kristiina Majaneva; Aino Hosia; Claudia Halsband et al. (2016). Morphological and molecular evidence reveal underestimated ctenophore species richness – peeking into the group of unidentified species. (external link)
• Randi Brunvær Ingvaldsen; Harald Gjøsæter; Tore Haug et al. (2016). Toktet er over: Interessante funn klare for analyse. (external link)
• Aino Hosia (2016). Jellyfish diversity in Norway and its implications. (external link)
• Sanna Majaneva; Aino Hosia; Steven H.D. Haddock et al. (2016). Ctenophores – native aliens in Norwegian waters. (external link)
• Aino Hosia; Priscilla Licandro; Webjørn Raunsgård Melle (2016). Cydippids rule – Jellies in VPR images from the Trans-Atlantic Euro-Basin cruise. (external link)

2021

• Sanna Majaneva; Halldis Ringvold; Ellie Johansen et al. (2021). Hiding in plain sight - Euplokamis dunlapae (Ctenophora) in Norwegian waters. (external link)
• Anne Helene S. Tandberg; Luis Martell; Francisca C. Carvalho et al. (2021). An Integrative analysis on the benthos of Astrid Ridge and Maud Rise, Southern Ocean. (external link)
• Ann Bucklin; Katja T. C. A. Peijnenburg; Ksenia N. Kosobokova et al. (2021). Toward a global reference database of COI barcodes for marine zooplankton.. (external link)
• Philipp Neitzel; Aino Laila Johanna Hosia; Uwe Piatkowski et al. (2021). Pelagic deep-sea fauna observed on video transects in the southern Norwegian Sea. (external link)

2020

• Anders Gravbrøt Finstad; Hugo de Boer; May Bente Brurberg et al. (2020). Kriterier for lagring av miljø-DNA prøver og data, herunder henvisning til referansemateriale. Criteria for depositing eDNA samples and data, including vouchered specimens. (external link)
• Anne Helene S. Tandberg; Aino Laila Johanna Hosia; Nicolas Straube et al. (2020). Two centuries of marine biodiversity collections and research. (external link)
• Torbjørn Ekrem; Inger Greve Alsos; Thierry Baussant et al. (2020). BIOSCAN Norway - Enabling next generation biodiversity research. (external link)

2024

• Dmitrii Pantiukhin; Joan-Josep Soto Angel; Aino Laila Johanna Hosia et al. (2024). In-situ observations of gelatinous zooplankton aggregations in inshore and offshore Arctic waters. (external link)
• Aino Laila Johanna Hosia; Luis Felipe Martell Hernandez; Maciej K. Mańko et al. (2024). Unexpected diversity and novel lineages in the cosmopolitan genus Nanomia (Cnidaria: Siphonophorae: Physonectae). (external link)

2014

• Aino Hosia (2014). ForBio 2010-2014 - så langt så godt. (external link)
• Aino Hosia (2014). Amerikansk lobemanet – skjønnhet eller udyr?. (external link)
• Lena Granhag; Aino Hosia (2014). Comparison between introduced and native ctenophores in Nordic waters ‐ feeding rates and survival in low food conditions. (external link)
• Cornelia Jaspers; Elvire Antajan; Ragnhild Asmus et al. (2014). A synthesis of the distribution of Mnemiopsis leidyi in European waters. (external link)
• Aino Hosia; Christina Augustin; Julie Dinasquet et al. (2014). Jellyfish boost pelagic productivity. (external link)
• Aino Hosia; Sanna Majaneva (2014). Ctenophore diversity in Norway – new acquaintances. (external link)
• Aino Hosia; Tone Falkenhaug (2014). De ukjente polyppene bestemmer hvor mange maneter vi får fra år til år. (external link)
• Aino Hosia; Tone Falkenhaug; Lars Johan Naustvoll (2014). Trends in abundance and phenology of Aurelia aurita and Cyanea spp. at a Skagerrak location, 1992-2011. (external link)

2008

• Lars Stemmann; Marsh Youngbluth; Kevin Robert et al. (2008). Global zoogeography of fragile macrozooplankton in the upper 100-1000 m inferred from the underwater video profiler. (external link)
• Aino Laila Johanna Hosia; Lars Stemmann; Marsh Youngbluth (2008). Distribution of net-collected planktonic cnidarians along the northern Mid-Atlantic Ridge and their associations with the main water masses. (external link)
• Aino Laila Johanna Hosia; Ulf Båmstedt (2008). Seasonal abundance and vertical distribution of siphonophores in western Norwegian fjords. (external link)
• Marsh Youngbluth; Tom Asbjørn Sørnes; Aino Laila Johanna Hosia et al. (2008). Vertical distribution and relative abundance of gelatinous zooplankton, in situ observations near the Mid-Atlantic Ridge. (external link)
• Lars Stemmann; Aino Laila Johanna Hosia; Marsh J. Youngbluth et al. (2008). Vertical distribution (0-1000 m) of macrozooplankton, estimated using the Underwater Video Profiler, in different hydrographic regimes along the northern portion of the Mid-Atlantic Ridge. (external link)
• Tom Asbjørn Sørnes; Aino Laila Johanna Hosia; Ulf Båmstedt et al. (2008). Swimming and feeding in Periphylla periphylla (Scyphozoa, Coronatae). (external link)

2023

• Lara Beckmann; Joan-Josep Soto Angel; Aino Laila Johanna Hosia et al. (2023). Odd family reunion: DNA barcoding reveals unexpected relationship between three hydrozoan species. (external link)
• Joan-Josep Soto Angel; C. Jaspers; Aino Laila Johanna Hosia et al. (2023). Are we there yet to eliminate the terms larva, metamorphosis, and dissogeny from the ctenophore literature?. (external link)
• Sanna Kristiina Majaneva; Luis Felipe Martell Hernandez; Joan-Josep Soto Angel et al. (2023). The Missing Piece – the Gain of Including Gelatinous Zooplankton in Arctic Plankton Surveys. (external link)
• Madeline Steinberg; Aino Laila Johanna Hosia (2023). Seeing Jellies as They're Supposed to Be Seen. (external link)

2015

• P Licandro; M Blackett; A Fischer et al. (2015). Biogeography of jellyfish in the North Atlantic, by traditional and genomic methods. (external link)
• Aino Hosia (2015). HYPNO - Hydrozoan pelagic diversity in Norway. (external link)
• Aino Hosia; Tone Falkenhaug (2015). Invasive ctenophore Mnemiopsis leidyi in Norway. (external link)
• Aino Hosia; Christina Augustin; Julie Dinasquet et al. (2015). Autumnal bottom-up and top-down impacts of Cyanea capillata: a mesocosm study. (external link)
• Priscilla Licandro; Aino Hosia (2015). Biogeography of North Atlantic jellyfish. (external link)
• Lena Granhag; Aino Hosia (2015). Feeding and starvation in the native ctenophore Bolinopsis infundibulum and the introduced Mnemiopsis leidyi in the North Sea: implications for ctenophore transport in ships’ ballast water. (external link)

2017

• Claudia Halsband; Sanna Kristiina Majaneva; Aino Hosia et al. (2017). Jellyfish summer distribution, diversity and impact on fish farms in a Nordic fjord. (external link)
• Aino Hosia; Luis Felipe Martell Hernández (2017). HYPNO - Hydrozoan Pelagic Diversity in Norway. (external link)
• Peter Schuchert; Aino Hosia; Lucas Pierre Jean Leclere (2017). Identification of the polyp stage of three leptomedusa species using DNA barcoding. (external link)
• Aino Hosia; Tone Falkenhaug; Emily J. Baxter et al. (2017). Abundance, distribution and diversity of gelatinous predators along the northern Mid-Atlantic Ridge: A comparison of different sampling methodologies. (external link)
• Randi Brunvær Ingvaldsen; Harald Gjøsæter; Elvar H. Hallfredsson et al. (2017). Cruise report SI_ARCTIC / Arctic Ecosystem survey R/V Helmer Hanssen, 2-16 September 2016. (external link)
• Heidi Lie Andersen; Knut Olav Aslaksen; Asbjørn Engevik et al. (2017). Årbok for Universitetsmuseet i Bergen 2017: Samlinger. (external link)
• Luis Felipe Martell Hernández; Aino Hosia (2017). Challenges and opportunities in Norwegian hydrozoan taxonomy: lessons from project HYPNO. (external link)

2011

• Aino Laila Johanna Hosia; Josefin Titelman (2011). Intraguild predation between the native North Sea jellyfish Cyanea capillata and the invasive ctenophore Mnemiopsis leidyi. (external link)
• Aino Laila Johanna Hosia; Tone Falkenhaug; Lars Johan Naustvoll (2011). Scyphozoan jellyfish trends during 1992-2010 at Flødevigen, Southern Norway. (external link)
• Aino Laila Johanna Hosia; Josefin Titelman; Lars Johan Hansson et al. (2011). Interactions between native and alien ctenophores: Beroe gracilis and Mnemiopsis leidyi in Gullmarsfjorden. (external link)
• Outi Setälä; Julie Dinasquet; Lene Friis Møller et al. (2011). Mnemiopsis vs. Aurelia: The role of gelatinous top predators in the northern Baltic Sea food web. (external link)
• Tone Falkenhaug; Aino Hosia; Anders Jelmert (2011). Geléplankton i kystsonen – en økologisk og næringsmessig utfordring. (external link)
• Aino Laila Johanna Hosia (2011). Trophic interactions of gelatinous macrozooplankton in the northern North Sea. (external link)

2018

• Tor Knutsen; Aino Hosia; Tone Falkenhaug et al. (2018). Coincident mass occurrence of gelatinous zooplankton in Northern Norway. (external link)
• Luis Felipe Martell Hernández; Anne Helene S. Tandberg; Aino Hosia (2018). The illusion of rarity in an epibenthic jellyfish: facts and artefacts in the distribution of Tesserogastria musculosa (Hydrozoa, Ptychogastriidae). (external link)
• Cornelia Jaspers; Bastian Huwer; Elvire Antajan et al. (2018). Ocean current connectivity propelling the secondary spread of a marine invasive comb jelly across western Eurasia. (external link)

2007

• Aino Laila Johanna Hosia; Ulf Båmstedt (2007). Seasonal changes in the gelatinous zooplankton community and hydromedusa abundances in Korsfjord and Fanafjord, western Norway. (external link)
• Aino Laila Johanna Hosia; Fransesc Pages (2007). Unexpected new species of deep-water Hydroidomedusae from Korsfjorden, Norway. (external link)
• Aino Laila Johanna Hosia; Christoffer Schander; Ulf Båmstedt (2007). Gelatinous zooplankton in western Norwegian fjords. Ecology, systematics and comparisons with adjacent waters. (external link)

2010

• Aino Laila Johanna Hosia; Josefin Titelman; Lars Johan Hansson et al. (2010). Native North Sea jellies praying on the alien Mnemiopsis leidyi. (external link)
• Julie Dinasquet; Josefin Titelman; Lene Friis Møller et al. (2010). Nutrient limited bacteria do not respond to cascading effects elicited by a gelatinous top-predator in a Baltic Sea food web. (external link)

2022

• Anne Helene S. Tandberg; Joan J Soto Angell; Luis Martell et al. (2022). Into the unknown: Integrative assessment of the benthos of Astrid Ridge and Maud Rise, Southern Ocean. (external link)
• Luis Felipe Martell Hernandez; Katrine Selsø; Josefin Titelman et al. (2022). Setting the baseline for the dynamics of siphonophores and hydromedusae in Oslofjorden. (external link)
• Torbjørn Ekrem; Inger Greve Alsos; Hugo de Boer et al. (2022). Lessons learned from NorBOL: Opportunities and challenges building reference libraries of marine, freshwater and terrestrial biotas. (external link)

2012

• Aino Laila Johanna Hosia; Tone Falkenhaug; Lars Johan Naustvoll (2012). Jellyfish trends at Flødevigen Research Station, Norwegian Skagerrak coast, from 1993 to 2011. (external link)
• J Dinasquet; Josefin Titelman; LF Moller et al. (2012). Cascading effects of the ctenophore Mnemiopsis leidyi on the planktonic food web in a nutrient-limited estuarine system. (external link)
• Aino Laila Johanna Hosia; Christina Augustin; Jorun Karin Egge et al. (2012). Senescent Cyanea capillata jellyfish may contribute to increased autumnal production: A mesocosm study. (external link)
• Aino Hosia; Lena Granhag; Tarja Katajisto et al. (2012). Experimental feeding rates of gelatinous predators Aurelia aurita and Mnemiopsis leidyi at low northern Baltic Sea salinity. (external link)

2019

• Anne Helene S. Tandberg; Hans Tore Rapp; Anders Kjetland et al. (2019). Hvalsalen - Det store mylderet. (external link)
• Luis Felipe Martell Hernández; Joan Josep Soto Angel; Aino Laila Johanna Hosia (2019). Integrative assessment of diversity and distribution of polyps and their medusae in Norway. (external link)
• Luis Felipe Martell Hernández; Aino Laila Johanna Hosia (2019). DNA barcoding of benthic hydrozoans in Norwegian waters. (external link)

2013

• Aino Hosia; Tone Falkenhaug (2013). Invasive ctenophore Mnemiopsis leidyi in Norway. (external link)

See a complete overview of publications in Cristin.

Ongoing and previous Norwegian taxonomy initiative projects:

Norwegian Arctic Hydrozoa (NOAH) (PI Joan J. Soto-Angel)

Metazoan parasites of non-crustacean zooplankton (ParaZoo) (PI Luis Martell)

Marine benthic hydroids (NorHydro) (PI Luis Martell)

Hydrozoan pelagic diversity in Norway (HYPNO)

Ctenophores along the Norwegian coast (GooseAlien) (PI Sanna Majaneva/NTNU)

 

Other ongoing projects:

Anthoathecate hydrozoans in Swedish waters (HYDROINS), PhD student Doris Björling/GU

JellySafe on Apolemia siphonophores

Gelatinous Lifeforms in farOese waters: Biodiversity, rEgional Connectivity, and Capacity building (GLOBECC) 

 

Past projects

Distribution and ecosystem impacts of the invasive ctenophore Mnemiopsis leidyi in Norwegian waters

BAZOOCA

Mar-Eco

Gelatinous zooplankton in fjords and coastal waters of Norway

 

PhD thesis

Gelatinous zooplankton in western Norwegian fjords - Ecology, systematics and comparisons with adjacent waters