Anne Berit Skiftesvik

Principal Research Scientist

Institute of Marine Research
Ecosystem Acoustics Group
Austevoll Research Station
N-5392 Storebø, NORWAY
Tel: +47 91 86 65 26 (mobile)
Email: anne.berit.skiftesvik@imr.no

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Education

Ph.D. (Aquaculture) 1996, University of Bergen
M.Sc. (Ecological zoology) 1984, University of Bergen

Professional Experience

(most recent only)

2011-        Principal Research Scientist (equivalent to Full Professor), Institute of Marine Research
1980-2010: Senior Research Scientist, Institute of Marine Research
2010-2013: Leader of the local chapter of the Norwegian scientists union

For more information, read Anne Berit Skiftesvik’s complete Curriculum Vitae

Areas of expertise and interest

• Foraging and prey search behaviour in invertebrates and lower vertebrates
• Behavioural and ecological aspects of the early life history of fishes
• Biology of ontogenetic sensitive periods
• Development of new marine fish species for commercial production (optimisation of growth environments for early life history stages)
• Control of salmon lice using cleaner fish
• Institutional animal health code regulations
• Animal welfare practices for aquatic organisms

Active projects

2017-2020: Refining intensive culture techniques for ballan wrasse
2018-2020: Optimizing the use of cleanerfish on salmon farms
2018-2020: Population dynamics of wild wrasse populations along the Norwegian coast
2018-2021: The importance of the marine habitat for the critically endangered European eel
2015-2018: Fine-scale interactions in the plankton: Empirical observations to parameterize trophodynamic and drift models
2018-2020: Effects of seismic sound on spawning behaviour and reproductive success of cod
2018-2020: Capacity for adaptation to multiple climate change drivers in sub-Arctic invertebrates
2018-2020: Effect of multiple climate change drivers on the egg microbiome of Arctic and sub-Arctic copepods
2018-2019: The effects of photo-induced toxicity of polycyclic aromatic hydrocarbon on the escape performance and foraging behaviour of larval fish
2018-2020: The effects of the anti-sea lice chemotherapeutant, hydrogen peroxide, on non-target planktonic organisms around salmon farms
2018-2022: Decoding the sensory cues that link the salmon louse to its host: transcriptomics-physiology-behaviour-ecology

Click HERE for brief descriptions of these projects.

Publications

Static magnetic fields reduce swimming activity of Atlantic cod (Gadus morhua) and haddock (Melanogrammus aeglefinus) larvae

Cresci, A., C.M.F. Durif, T. Larsen, R. Bjelland, A.B. Skiftesvik & H.I. Browman. 2024. Static magnetic fields reduce swimming activity of Atlantic cod (Gadus morhua) and haddock (Melanogrammus aeglefinus) larvae. ICES Journal of Marine Science. doi: 10.1093/icesjms/fsad205.
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Reasons to be skeptical about sentience and pain in fishes and aquatic invertebrates

Diggles, B.K., R. Arlinghaus, H.I. Browman, S.J. Cooke, R.L. Cooper, I.G. Cowx, C.D. Derby, S.W. Derbyshire, P.J.B. Hart, J.B. Jones, A.O. Kasumyan, B. Key, J.G. Pepperell, D.C. Rogers, J.D. Rose, A. Schwab, A.B. Skiftesvik, E.D. Stevens, J.D. Shields & C. Watson. 2024. Reasons to be skeptical about sentience and pain in fishes and aquatic invertebrates. Reviews in Fisheries Science and Aquaculture. 32: 127-150. doi: 10.1080/23308249.2023.2257802.
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and also read our related paper

The evolving story of catadromy in the European eel (Anguilla anguilla)

Durif, C.M.F., M. Arts, F. Bertolini, A. Cresci, F. Daverat, E. Karlsbakk, J. Koprivnikar, E. Moland, E. Moland Olsen, C. Parzanini, M. Power, M. Rohtla, A.B. Skiftesvik, E. Thorstad, L.A. Vøllestad & H.I. Browman. 2023. The evolving story of catadromy in the European eel (Anguilla anguilla). ICES Journal of Marine Science. doi: 10.1093/icesjms/fsad149.
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Early ontogeny of the lesser sandeel (Ammodytes marinus)

Perrichon, P., R. Bjelland, C.M.F. Durif, I. Uglenes Fiksdal, E. Johnsen, A.B. Skiftesvik, A. Cresci, H.I. Browman & E. Sørhus. 2023. Early ontogeny of the lesser sandeel (Ammodytes marinus). Development Dynamics 252: 1280-1291. doi: 10.1002/dvdy.634.
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Atlantic cod (Gadus morhua) larvae are attracted by low-frequency noise simulating that of operating offshore wind farms

Cresci, A., G. Zhang, C.M.F. Durif, T. Larsen, S. Shema, A.B. Skiftesvik & H.I. Browman. 2023. Atlantic cod (Gadus morhua) larvae are attracted by low-frequency noise simulating that of operating offshore wind farms. Communications Biology. doi: 10.1038/s42003-023-04728-y.
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Magnetic fields generated by submarine power cables have a negligible effect on the swimming behavior of Atlantic lumpfish (Cyclopterus lumpus) juveniles

Durif, C.M.F., D. Nyqvist, B. Taormina, S. Shema, A.B. Skiftesvik, F. Freytet & H.I. Browman. 2023. Magnetic fields generated by submarine power cables have a negligible effect on the swimming behavior of Atlantic lumpfish (Cyclopterus lumpus) juveniles. PeerJ. doi: 10.7717/peerj.14745.
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A positive temperature-dependent effect of elevated CO2 on growth and lipid accumulation in the planktonic copepod, Calanus finmarchicus

Fields, D.M., J.A. Runge, C. Thompson, C.M.F. Durif, S. Shema, R.M. Bjelland, M.T. Arts, A.B. Skiftesvik and H.I. Browman. 2022. A positive temperature-dependent effect of elevated CO2 on growth and lipid accumulation in the planktonic copepod, Calanus finmarchicus. Limnology & Oceanography. doi:  10.1002/lno.12261.
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Co-exposure to UV radiation and crude oil increases acute embryotoxicity and sublethal malformations in the early life stages of Atlantic haddock (Melanogrammus aeglefinus)

Sørhus, E., C.E. Donald, C.L. Nakken, P. Perrichon, C.M.F. Durif, S. Shema, H.I. Browman, A.B. Skiftesvik, K.K. Lie, J.D. Rasinger, M. Muller & S. Meier. 2022. Co-exposure to UV radiation and crude oil increases acute embryotoxicity and sublethal malformations in the early life stages of Atlantic haddock (Melanogrammus aeglefinus). Science of the Total Environment. doi: 10.1016/j.scitotenv.2022.160080.
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Habitat use and growth of yellow-stage European eel in coastal and freshwater ecosystems in Norway

Rohtla, M., F. Daverat, M.T. Arts, H.I. Browman, C. Parzanini, A.B. Skiftesvik, E.B. Thorstad, T. van der Meeren, L.A. Vøllestad & C.M.F. Durif. 2022. Habitat use and growth of yellow-stage European eel in coastal and freshwater ecosystems in Norway. Canadian Journal of Fisheries and Aquatic Sciences. doi: 10.1139/cjfas-2022-0033.
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Application of genetic technologies to combat infectious diseases in aquaculture

Robinson, N.A., D. Robledo, L. Sveen, R. Daniels, A. Krasnov, A. Coates, Y.J. Ye, L. Barrett, M. Lillehammer, A. Kettunen, B. Phillips, T. Dempster, A. Doeschl-Wilson, F. Samsing, G. Difford, S. Salisbury, B. Gjerde, J.-E. Haugen, E. Burgerhout, B. Dagnachew, D.; Kurian, M.D. Fast, M. Rye, M. Salazar, J. Bron, S. Monaghan, C. Jacq, M. Birkett, H.I. Browman, A.B. Skiftesvik, D.M. Fields, E. Selander, S. Bui, A. Sonesson, S. Skugor, Ø. Knutsdatter, H. Tone-Kari, R. Houston. 2022. Application of genetic technologies to combat infectious diseases in aquaculture. Reviews in Aquaculture. doi: 10.1111/raq.12733.
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Magnetic fields produced by subsea high voltage DC cables reduce swimming activity of haddock larvae (Melanogrammus aeglefinus)

Cresci, A., C.M.F. Durif, T. Larsen, R. Bjelland, A.B. Skiftesvik & H.I. Browman. 2022.Magnetic fields produced by subsea high voltage DC cables reduce swimming activity of haddock larvae (Melanogrammus aeglefinus). PNAS Nexus. doi: 10.1093/pnasnexus/pgac175.
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Overwintering behaviour of yellow-stage European eel (Anguilla anguilla) in a natural marine fjord system

Rohtla, M., E. Moland, A.B. Skiftesvik, E.B. Thorstad, S. Bosgraaf, E.M. Olsen, H.I. Browman & C.M.F. Durif. 2022. Overwintering behaviour of yellow-stage European eel (Anguilla anguilla) in a natural marine fjord system. Estuarine, Coastal and Shelf Science. doi: 10.1016/j.ecss.2022.108016.
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Increasing temperature and prey availability affect the growth and swimming kinematics of Atlantic herring (Clupea harengus) larvae

Allan, B.J.M., H.I. Browman, S. Shema, A.B. Skiftesvik, A. Folkvord, C.M.F. Durif & O.S. Kjesbu. 2022. Increasing temperature and prey availability affect the growth and swimming kinematics of Atlantic herring (Clupea harengus) larvae. Journal of Plankton Research. doi: 10.1093/plankt/fbac014.
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Magnetic fields generated by the DC cables of offshore wind farms have no effect on spatial preference or swimming behavior of lesser sandeel larvae (Ammodytes marinus)

Cresci, A., P. Perrichon, C.M.F. Durif, E. Sørhus, E. Johnsen, R. Bjelland, T. Larsen, A.B. Skiftesvik & H.I. Browman. 2022. Magnetic fields generated by the DC cables of offshore wind farms have no effect on spatial preference or swimming behavior of lesser sandeel larvae (Ammodytes marinus). Marine Environmental Research. doi: 10.1016/j.marenvres.2022.105609. Editor’s choice article.
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Goldsinny wrasse (Ctenolabrus rupestris) have a sex-dependent magnetic compass for maintaining site fidelity

Cresci, A., T. Larsen, K.T. Halvorsen, C.M.F. Durif, R.M. Bjelland, H.I. Browman & A.B. Skiftesvik. 2022. Goldsinny wrasse (Ctenolabrus rupestris) have a sex-dependent magnetic compass for maintaining site fidelity. Fisheries Oceanography 31: 164–171. doi: 10.1111/fog.12569.
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Photo-enhanced toxicity of crude oil on early developmental stages of Atlantic cod (Gadus morhua)

Aranguren-Abadía, L., F. Yadetie, C.E. Donald, E. Sørhus, L.E. Myklatun, X. Zhang, K.K. Lie, C.L. Nakken, C.M.F. Durif, S. Shema, H.I. Browman, A.B. Skiftesvik, A. Goksøyr, S. Meier & O.A. Karlsen. 2022. Photo-enhanced toxicity of crude oil on early developmental stages of Atlantic cod (Gadus morhua). Science of the Total Environment 807: 150697, doi:10.1016/j.scitotenv.2021.150697.
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Towards a sustainable fishery and use of cleaner fish in salmonid aquaculture

Halvorsen, K., A.B. Skiftesvik, C. Durif, E. Faust, H. Wennhage, C. André, J.L. Rønfeldt, P.R. Møller, H. Carl, T. Jørgensen, M. Quintela, N. Sandlund, L.H. Stien, K. Nedreaas, E. Jansson, H.H. Stockhausen, K. Korsnes, P. Reynolds, A. Imsland, I. Fyllingen, H. Bysheim, L. Henly & S. Mortensen. 2021. Towards a sustainable fishery and use of cleaner fish in salmonid
aquaculture. Challenges and opportunities. http://dx.doi.org/10.6027/temanord2021-545.
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Gene expression and epigenetic responses of the marine Cladoceran, Evadne nordmanni, and the copepod Acartia tonsa, to elevated carbon dioxide

Aluru, N, D.M. Fields, S. Shema, A.B. Skiftesvik & H.I. Browman. 2021. Gene expression and epigenetic responses of the marine Cladoceran, Evadne nordmanni, and the copepod Acartia tonsa, to elevated carbon dioxide. Ecology and Evolution 11: 16776-16785. doi: 10.1002/ece3.8309.
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A unifying hypothesis for the spawning migrations of temperate anguillid eels

Durif, C.M.F., H.H. Stockhausen, A.B. Skiftesvik, A. Cresci, D. Nyqvist & H.I. Browman. 2021. A unifying hypothesis for the spawning migrations of temperate anguillid eels. Fish and Fisheries 23: 358-375. doi: 10.1111/faf.12621.
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Movement patterns of temperate wrasses (Labridae) within a small marine protected area

Halvorsen, K.T., T. Larsen, H.I. Browman, C.M.F. Durif, N. Aasen, L.A. Vøllestad, A. Cresci, T.K. Sørdalen, R. Bjelland & A.B. Skiftesvik. 2021. Movement patterns of temperate wrasses (Labridae) within a small marine protected area. Journal of Fish Biology. 99: 1513-1518. doi: 10.1111/jfb.14825.
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Trophic position of the European eel (Anguilla anguilla) across different salinity habitats inferred from fatty acid and stable isotope analysis

Parzanini, C, M.T. Arts, M. Power, M. Rohtla, A.B. Skiftesvik, J. Koprivnikar, H.I. Browman, D. Milotic, C.M.F. Durif. 2021. Trophic position of the European eel (Anguilla anguilla) across different salinity habitats inferred from fatty acid and stable isotope analysis. Canadian Journal of Fisheries and Aquatic Science 78: 1721-1731. Doi: 10.1139/cjfas-2020-0432.
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Feeding habitat and silvering stage affect lipid content and fatty acid composition of European eel (Anguilla anguilla) tissues

Parzanini, C, M.T. Arts, M. Rohtla, J. Koprivnikar, M. Power, A.B. Skiftesvik, H.I. Browman, D. Milotic, C.M.F. Durif. 2021. Feeding habitat and silvering affect lipid content and fatty acid composition of European eel (Anguilla anguilla) tissues. Journal of Fish Biology 99: 1110-1124. doi: 10.1111/jfb.14815.
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Mind the depth: The vertical dimension of a small-scale fishery shapes selection on species, size and sex in wrasses

Halvorsen, K.T., T. Knutsen Sørdalen, T. Larsen, H.I. Browman, T. Rafoss, J. Albretson & A.B. Skiftesvik. 2020. Mind the depth: The vertical dimension of a small-scale fishery shapes selection on species, size and sex in wrasses. Marine and Coastal Fisheries 12: 404–422, doi: 10.1002/mcf2.10131.
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The lunar compass of European glass eels (Anguilla anguilla) increases the probability that they recruit to North Sea coasts

Cresci, A., A.D. Sandvik, P. Næverlid Sævik, B. Ådlandsvik, M.J. Olascoaga, P. Miron, C. M. F. Durif, A. B. Skiftesvik, H. I. Browman & F. Vikebø. 2020. The lunar compass of European glass eels (Anguilla anguilla) increases the probability that they recruit to North Sea coasts. Fisheries Oceanography. doi:10.1111/fog.12521.
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Effects of exposure to low concentrations of oil on expression of cytochrome P4501a and routine swimming speed of Atlantic haddock (Melanogrammus aeglefinus) larvae in situ

Cresci, A., C.B. Paris, H.I. Browman, A.B. Skiftesvik, S. Shema, R. Bjelland, C.M.F. Durif, M. Foretich, C. Di Persia, V. Lucchese, F.B. Vikebø & E. Sørhus. 2020. Effects of exposure to low concentrations of oil on expression of cytochrome P4501a and routine swimming speed of Atlantic haddock (Melanogrammus aeglefinus) larvae in situ. Environmental Science & Technology 54: 13879-13887, doi: 10.1021/acs.est.0c04889.
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Pragmatic animal welfare is independent of feelings

Arlinghaus, R., I.G. Cowx, B. Key, B.K. Diggles, A. Schwab, S.J. Cooke, A.B. Skiftesvik & H.I. Browman. 2020. Pragmatic animal welfare is independent of feelings. Science 370: 180. DOI: 10.1126/science.abe3397.
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Debating fish pain

Browman, H.I. & A.B. Skiftesvik. 2020. Debating fish pain. Issues in Science and Technology. 37, no. 1 (Fall 2020).
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Orientation behavior and swimming speed of Atlantic herring larvae (Clupea harengus) in situ and in laboratory exposures to rotated artificial magnetic fields

Cresci, A., B.J.M. Allan, S. Shema, A.B. Skiftesvik & H.I. Browman. 2020. Orientation behavior and swimming speed of Atlantic herring larvae (Clupea harengus) in situ and in laboratory exposures to rotated artificial magnetic fields. Journal of Experimental Marine Biology and Ecology. 526 (2020) 151358.
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The effects of hydrogen peroxide on mortality, escape response and oxygen consumption of Calanus spp.

Escobar, R.H., D.M. Fields, H.I. Browman, S.D. Shema, R.M. Bjelland, A.-L. Agnalt, A.B. Skiftesvik, O.B. Samuelsen & C.M.F. Durif. 2019. The effects of hydrogen peroxide on mortality, escape response and oxygen consumption of Calanus spp. Facets 4: 1–12. doi: 10.1139/facets-2019-0011.
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The relationship between the moon cycle and the orientation of glass eels (Anguilla anguilla) at sea

Cresci, A., C. M. F. Durif, C. B. Paris, C. Thompson, S. Shema, A. B. Skiftesvik and H. I. Browman. 2019. The relationship between the moon cycle and the orientation of glass eels (Anguilla anguilla) at sea. Royal Society Open Science. 6: 190812, doi: 10.1098/rsos.190812
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The planktonic stages of the salmon louse Lepeophtheirus salmonis, are tolerant of end-of-century pCO2 concentrations

Thompson, C., J.A. Runge, D.M. Fields, S. Shema, R.M. Bjelland, C.M.F. Durif, A.B. Skiftesvik, M. Arts, A. Mount, V. Chan & H.I. Browman. 2019. The planktonic stages of the salmon louse (Lepeophtheirus salmonis) are tolerant of end-of-century pCO2 concentrations. PeerJ 7:e7810 http://doi.org/10.7717/peerj.7810.
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Glass eels (Anguilla anguilla) imprint the magnetic direction of tidal currents from their juvenile estuaries

Cresci, A, C.B. Paris, C.M.F. Durif, S. Shema, C. Thompson, R. Bjelland, A.B. Skiftesvik & H.I. Browman. 2019. Glass eels (Anguilla anguilla) imprint the magnetic direction of tidal currents from their juvenile estuaries.  Communications Biology (2019) 2:366. doi: 10.1038/s42003-019-0619-8.
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Airgun blasts used in marine seismic surveys have limited effects on mortality, and no sub-lethal effects on behaviour or gene expression, in the copepod Calanus finmarchicus

Fields, D.M., N.O. Handegard, J. Dalen, C. Eichner, K. Malde, Ø. Karlsen, A.B. Skiftesvik, C.M.F. Durif & H.I. Browman. 2019. Airgun blasts used in marine seismic surveys have limited effects on mortality, and no sub-lethal effects on behaviour or gene expression, in the copepod Calanus finmarchicus. ICES Journal of Marine Science 76: 2033-2044. doi: 10.1093/icesjms/fsz126
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Atlantic haddock (Melanogrammus aeglefinus) larvae have a magnetic compass that guides their orientation

Cresci, A., C.B. Paris, M.A. Foretich, C.M.F. Durif, S. Shema, C.J. E. O’Brien, F.B. Vikebø, A.B. Skiftesvik, & H.I. Browman. 2019. Atlantic haddock (Melanogrammus aeglefinus) larvae have a magnetic compass that guides their orientation. iScience. 19: 1173-1178, doi: 10.1016/j.isci.2019.09.001.
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Kunnskapsinnhenting Leppefisk – biologi og fiskeri 2013-2018

Skiftesvik, A.B., K. Halvorsen & T. Larsen. 2019. Kunnskapsinnhenting Leppefisk – biologi og fiskeri 2013-2018. Rapport fra Havforskningen 2019-18. ISSN:1893-4536
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Silencing of ionotropic receptor 25a decreases chemosensory activity of the salmon louse Lepeophtheirus salmonis during the infective stage

Núñez-Acuña, G., C. Gallardo-Escárate, A.B. Skiftesvik, D.M. Fields & H.I. Browman. 2019. Silencing of ionotropic receptor 25a decreases chemosensory activity of the salmon louse Lepeophtheirus salmonis during the infective stage. Gene 697: 35-39. DOI: 10.1016/j.gene.2019.02.012.
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Welfare of aquatic animals: Where things are, where they are going, and what it means for research, aquaculture, recreational angling, and commercial fishing

Browman, H.I., S.J. Cooke, I.G. Cowx, S.W.G. Derbyshire, A. Kasumyan, B. Key, J.D. Rose, A. Schwab, A.B. Skiftesvik, E.D. Stevens, C.A. Watson & R. Arlinghaus. 2019. Welfare of aquatic animals: Where things are, where they are going, and what it means for research, aquaculture, recreational angling, and commercial fishing. ICES Journal of Marine Science. doi:10.1093/icesjms/fsy067.
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and read the companion article

Diggles, B. K. 2019. Review of some scientific issues related to crustacean welfare. ICES Journal of Marine Science.  doi:10.1093/icesjms/fsy058.
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Exposure to teflubenzuron negatively impacts exploratory behavior, learning and activity of juvenile European lobster (Homarus gammarus).

Cresci, A, O.B. Samuelsen, C.M.F. Durif, R.M. Bjelland, A.B. Skiftesvik, H.I. Browman & A.-L Agnalt. 2018. Exposure to teflubenzuron negatively impacts exploratory behavior, learning and activity of juvenile European lobster (Homarus gammarus). Ecotoxicology and Environmental Safety. 160: 216-221.
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The Atlantic salmon (Salmo salar) antimicrobial peptide Cathelicidin-2 is a molecular host recognition signal for the salmon louse (Lepeophtheirus salmonis)

Núñez-Acuña, G., C. Gallardo-Escárate, D.M. Fields, S. Shema, A.B. Skiftesvik, I. Ormazábal & H.I. Browman. 2018. The Atlantic salmon (Salmo salar) antimicrobial peptide Cathelicidin-2 is a molecular host recognition signal for the salmon louse (Lepeophtheirus salmonis). Scientific Reports. (2018) 8:13738 | DOI:10.1038/s41598-018-31885-6.
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Behavioural responses of infective-stage copepodids of the salmon louse (Lepeoptheirus salmonis, Copepoda:Caligidae) to host-related sensory cues

Fields, D.M., A.B. Skiftesvik & H.I. Browman. 2018. Behavioural responses of infective-stage copepodids of the salmon louse (Lepeophtheirus salmonis, Copepoda:Caligidae) to host-related sensory cues. Journal of Fish Diseases 41: 875-884.
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Whether European eel leptocephali use the Earth’s magnetic field to guide their migration remains an open question

Durif, C.M.F, S. Bonhommeau, C. Briand, H.I. Browman, M. Castonguay, F. Daverat, W. Dekker, E. Diaz, R. Hanel, M. Miller, A. Moore, C.B. Paris, A.B. Skiftesvik, H. Westerberg & H. Wickström. 2017. Whether European eel leptocephali use the Earth’s magnetic field to guide their migration remains an open question. Current Biology 27: R998-R1000. DOI: 10.1016/j.cub.2017.08.045
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Responses of larval zebrafish to low pH immersion assay

Diggles, B.K., R. Arlinghaus, H.I. Browman, S.J. Cooke, I.G. Cowx, A.O. Kasumayan, B. Key, J.D. Rose, W. Sawynok, A. Schwab, A.B. Skiftesvik, E.D. Stevens, C.A. Watson & C.D.L. Wynne. 2017. Responses of larval zebrafish to low pH immersion assay. Comment on Lopez-Luna, J., Q. Al-Jubouri, W. Al-Nuaimy, & L.U. Sneddon. Reduction in activity by noxious chemical stimulation is ameliorated by immersion in analgesic drugs in zebrafish. Journal of Experimental Biology 220: 3191-3194.
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Glass eels (Anguilla anguilla) have a magnetic compass linked to the tidal cycle.

Cresci, A., C.B. Paris, C.M.F. Durif, S. Shema, R. Bjelland, A.B. Skiftesvik & H.I. Browman. 2017. Glass eels (Anguilla anguilla) have a magnetic compass linked to the tidal cycle. Science Advances 3: e1602007, DOI: 10.1126/sciadv.1602007.
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Problems with equating thermal preference with “emotional fever” and sentience.

Key, B. R. Arlinghaus, H.I. Browman, S.J. Cooke, I.G. Cowx, B.K. Diggles, J.D. Rose, W. Sawynok, A. Schwab, A.B. Skiftesvik, E.D. Stevens & C.A. Watson. 2017. Problems with equating thermal preference with “emotional fever” and sentience. Proceedings of the Royal Society B 284: 20160681.
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Sex- and size-selective harvesting of corkwing wrasse (Symphodus melops) cleaner fish in salmonid aquaculture.

Halvorsen, K.T., T.K. Sørdalen, L.A. Vøllestad, A.B. Skiftesvik, S.H. Espeland & E.M. Olsen. 2017. Sex- and size-selective harvesting of corkwing wrasse (Symphodus melops) cleaner fish in salmonid aquaculture. ICES Journal of Marine Science 74: 660-669.
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End of the century CO2 concentrations do not have a negative effect on vital rates of Calanus finmarchicus, an ecologically critical planktonic species in North Atlantic ecosystems.

Runge J.A., D.M. Fields, C.R.S. Thompson, S.D. Shema, R.M. Bjelland, C.M.F Durif, A.B. Skiftesvik & H.I. Browman. 2016. End of the century CO2 concentrations do not have a negative effect on vital rates of Calanus finmarchicus, an ecologically critical planktonic species in North Atlantic ecosystems. ICES Journal of Marine Science 73(3): 937-950.
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Fish meal quality, and ethoxiquin effects on larvae weaning performance of cleaner fish Ballan wrasse (Labrus bergylta).

Bogevik, A.S., K. Kousoulaki, A.B. Skiftesvik, I. Opstad. 2016. Fish meal quality, and ethoxiquin effects on larvae weaning performance of cleaner fish Ballan wrasse (Labrus bergylta). Aquaculture Nutrition 22: 46-50.
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Is the ballan wrasse (Labrus bergylta) two species? Genetic analysis reveals within-species divergence associated with plain and spotted morphotype frequencies.

Quintela, M., E.A. Danielsen, L. Lopez, R. Barreiro, T. Svåsand, H. Knutsen, A.B. Skiftesvik & K.A. Glover. 2016. Is the ballan wrasse (Labrus bergylta) two species? Genetic analysis reveals within-species divergence associated with plain and spotted morphotype frequencies. Integrative Zoology 11: 162-172.
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Male biased sexual size dimorphism in the nest building corkwing wrasse (Symphodus melops): implications for a size regulated fishery.

Halvorsen, K.T., T.K. Sørdalen, C.M.F. Durif, H. Knutsen, E.M. Olsen, A.B. Skiftesvik, T.E. Rustand, R.M. Bjelland & L.A. Vøllestad. 2016. Male biased sexual size dimorphism in the nest building corkwing wrasse (Symphodus melops): implications for a size regulated fishery. ICES Journal of Marine Science 73: 2586-2594.
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Stress is not pain.

Stevens, E.D., R. Arlinghaus, H.I. Browman, S.J. Cooke, I.G. Cowx, B.K. Diggles, B. Key, J.D. Rose, W. Sawynok, A. Schwab, A.B. Skiftesvik, C.A. Watson & C.D.L. Wynne. 2016. Stress is not pain. – A comment on Elwood, R.W. & L. Adams. 2015. Electric shock causes physiological stress responses in shore crabs, consistent with prediction of pain. Biology Letters 11: 20150800. doi:10.1098/rsbl.2015.0800
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Spectral sensitivity and contrast potentials for four species of cleaner fish.

Loew, E.R., A.B. Skiftesvik, R. Bjelland, H.I. Browman & C. Durif. 2016. Spectral sensitivity and contrast potentials for four species of cleaner fish. Institute of Marine Research Report No. 39-2016. 12 pp.
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UV radiation changes algal stoichiometry but does not have cascading effects on a marine food chain.

Durif C.M.F., D.M. Fields, H.I. Browman, S.D. Shema, J.R. Enoae, A.B. Skiftesvik, R.M. Bjelland, R. Sommaruga & M.T. Arts. 2015. UV radiation changes algal stoichiometry but does not have cascading effects on a marine food chain. Journal of Plankton Research 37(6): 1120–36.
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Infection of the planktonic copepod Calanus finmarchicus by the parasitic dinoflagellate, Blastodinium spp.: effects on grazing, respiration, fecundity, and fecal pellet production.

Fields, D.M., J.A. Runge, C. Thompson, S.D. Shema, R.M. Bjelland, C.M.F. Durif, A.B. Skiftesvik & H.I. Browman. 2015. Infection of the planktonic copepod Calanus finmarchicus by the parasitic dinoflagellate, Blastodinium spp.: effects on grazing, respiration, fecundity, and fecal pellet production. Journal of Plankton Research 37: 211-220.
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Marine raw material choice, quality and weaning performance of Ballan wrasse (Labrus bergylta) larvae.

Kousoulaki, K., A.S. Bogevik, A.B. Skiftesvik, P.A Jensen & I. Opstad. 2015. Marine raw material choice, quality and weaning performance of Ballan wrasse (Labrus bergylta) larvae. Aquaculture Nutrition 21: 644-654.
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The swimming kinematics and foraging behavior of larval Atlantic herring,Clupea harengus L., are resilient to elevatedpCO2.

Maneja, R.H., A.Y. Frommel, H.I. Browman, A.J. Geffen, A. Folkvord, U. Piatkowski, C.M.F. Durif, R. Bjelland, A.B. Skiftesvik & C. Clemmesen. 2015. The swimming kinematics and foraging behavior of larval Atlantic herring,Clupea harengus L., are resilient to elevated pCO2. Journal of Experimental Marine Biology and Ecology 466: 42-48.
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Distribution and habitat preferences of five species of wrasse (family Labridae) in a Norwegian fjord.

Skiftesvik, A.B., C.M.F. Durif, R.M. Bjelland & H.I. Browman. 2015. Distribution and habitat preferences of five species of wrasse (family Labridae) in a Norwegian fjord. ICES Journal of Marine Science 72: 890-899.
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The early life history of fish – we still have a lot of work to do!

Browman, H.I. & A.B. Skiftesvik. 2014. The early life history of fish – we still have a lot of work to do! ICES Journal of Marine Science 71: 907-908.
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The proteome of Atlantic herring (Clupea harengus L.) larvae is resistant to elevated pCO2.

Maneja, R.H., R. Dineshram, V. Thiyagarajan, A.B. Skiftesvik, A.Y. Frommel, C. Clemmesen, A.J. Geffen and H.I. Browman. 2014. The proteome of Atlantic herring (Clupea harengus L.) larvae is resistant to elevated pCO2. Marine Pollution Bulletin 86: 154-160.
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Isolation and characterization of twenty microsatellite loci for the Ballan wrasse, Labrus bergylta.

Quintela, M., E.A. Danielsen, T. Svåsand, H. Knutsen, A.B. Skiftesvik & K.A. Glover. 2014. Isolation and characterization of twenty microsatellite loci for the Ballan wrasse, Labrus bergylta. Conservation Genetics Resources 6: 425-428. DOI 10.1007/s12686-013-0114-3
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Wrasse (Labridae) as cleaner fish in salmonid aquaculture – The Hardanger fjord as a case study.

Skiftesvik, A.B., G. Blom, A.-L. Agnalt, C. Durif, H.I. Browman, R.M. Bjelland, L.S. Harkestad, E. Farestveit, O.I. Paulsen, M. Fauske, T. Havelin, K. Johnsen & S. Mortensen. 2014. Wrasse (Labridae) as cleaner fish in salmonid aquaculture – The Hardanger fjord as a case study. Marine Biology Research 10: 289-300.
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Magnetic compass orientation in the European eel.

Durif, C.M.F., H.I. Browman, A.B. Skiftesvik, L.A. Vøllestad, H.H. Stockhausen & J.B. Phillips. 2013. Magnetic compass orientation in the European eel. PLoS ONE 8(3): e59212.
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Sub-lethal exposure to ultraviolet radiation reduces prey consumption by Atlantic cod larvae (Gadus morhua).

Fukunishi Y., H.I. Browman, C.M.F. Durif, R.M. Bjelland, S.D. Shema, D.M. Fields, A.B. Skiftesvik. 2013. Sub-lethal exposure to ultraviolet radiation reduces prey consumption by Atlantic cod larvae (Gadus morhua). Marine Biology 160: 2591-2596.
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The swimming kinematics of larval Atlantic cod, Gadus morhua, are resilient to elevated seawater pCO2.

Maneja, R.H., A.Y. Frommel, H.I. Browman, C. Clemmesen, A.J. Geffen, A. Folkvord, U. Piatkowski, C.M.F. Durif, R. Bjelland & A.B. Skiftesvik. 2013. The swimming kinematics of larval Atlantic cod, Gadus morhua, are resilient to elevated seawater pCO2. Marine Biology 160: 1963-1972.
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Effects of ocean acidification on growth and development of the planktonic copepod, Calanus finmarchicus.

Runge, J.A., C. Thompson, R.M. Bjelland, H.I. Browman, C.M.F. Durif, D.M. Fields, S. Shema & A.B. Skiftesvik. 2013. Effects of ocean acidification on growth and development of the planktonic copepod, Calanus finmarchicus. Poster presented at the U.S. National Science Foundation’s 2nd U.S. Ocean Acidification Principal Investigator’s Meeting. Washington, D.C., USA, 18-20 September 2013.
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Delousing of Atlantic salmon (Salmo salar) by cultured vs. wild ballan wrasse (Labrus bergylta).

Skiftesvik, A.B., R.M. Bjelland, C.M.F. Durif, I.S. Johansen and H.I. Browman. 2013. Delousing of Atlantic salmon (Salmo salar) by cultured vs. wild ballan wrasse (Labrus bergylta). Aquaculture 402-403: 113-118.
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UVB radiation variably affects n-3 fatty acids but elevated temperature reduces n-3 fatty acids in juvenile Atlantic salmon (Salmo salar).

Arts, M.T., M.E. Palmer, A.B. Skiftesvik, I.E. Jokinen & H.I. Browman. 2012. UVB radiation variably affects n-3 fatty acids but elevated temperature reduces n-3 fatty acids in juvenile Atlantic salmon (Salmo salar). Lipids 47(12): 1181-1192.
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Light Primes the Escape Response of the Calanoid Copepod, Calanus finmarchicus.

Fields D.M., S.D. Shema SD, H.I. Browman, T.Q. Browne & A.B. Skiftesvik. 2012. Light Primes the Escape Response of the Calanoid Copepod, Calanus finmarchicus. Plos ONE 7(6): e39594.
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The effect of UV radiation on the susceptibility of Atlantic cod larvae to predation.

Fukunishi, Y., H.I. Browman, C.M.F. Durif, R. Bjelland & A.B. Skiftesvik. 2012. The effect of UV radiation on the susceptibility of Atlantic cod larvae to predation. PLoS ONE 7(4): e35554.
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Effect of temperature and ultraviolet-B radiation on fatty acids of four tissues of juvenile (parr) Atlantic Salmon (Salmo salar).

Arts, M.T., M.E. Palmer, A.B. Skiftesvik, I.E. Jokinen & H.I. Browman. 2012. Effect of temperature and ultraviolet-B radiation on fatty acids of four tissues of juvenile (parr) Atlantic Salmon (Salmo salar). Lipids 47: 1181-1192.
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Welfare in aquatic organisms – is there some faith-based HARKing going on here?

Browman, H.I. & A.B. Skiftesvik. 2011. Welfare in aquatic organisms – is there some faith-based HARKing going on here? Diseases of Aquatic Organisms 94: 255-257.
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Fine-scale observations of the predatory behaviour of the carnivorous copepod Paraeuchaeta norvegica and the escape responses of their ichthyoplankton prey, Atlantic cod (Gadus morhua).

Browman, H.I., J. Yen, D.M. Fields, J.-F. St-Pierre & A.B. Skiftesvik. 2011. Fine-scale observations of the predatory behaviour of the carnivorous copepod Paraeuchaeta norvegica and the escape responses of their ichthyoplankton prey, Atlantic cod (Gadus morhua). Marine Biology 158: 2653-2660.
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Early ontogeny of the Atlantic halibut head (Hippoglossus hippoglossus).

Cloutier, R., J. Lambrey de Souza, H.I. Browman & A.B. Skiftesvik. 2011. Early ontogeny of the Atlantic halibut head (Hippoglossus hippoglossus). Journal of Fish Biology 78: 1035-1053.
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Grazing Rates of Calanus finmarchicus on Thalassiosira weissflogii Cultured under Different Levels of Ultraviolet Radiation.

Fields, D.M., C.M.F. Durif, R.M. Bjelland, S.D. Shema, A.B. Skiftesvik & H.I. Browman. 2011. Grazing rates of Calanus finmarchicus on Thalassiosira weissflogii cultured under different levels of ultraviolet radiation. PLoS ONE 6(19) e26333.
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The three-dimensional prey field of the northern krill, Meganyctiphanes norvegica, and the escape responses of their copepod prey.

Abrahamsen, M.B., H.I. Browman, D.M. Fields & A.B. Skiftesvik. 2010. The three-dimensional prey field of the northern krill, Meganyctiphanes norvegica, and the escape responses of their copepod prey. Marine Biology 157: 1251-1258.
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Effects of UV radiation and diet on polyunsaturated fatty acids in the skin, ocular tissue and dorsal muscle of Atlantic salmon (Salmo salar) held in outdoor rearing tanks.

Arts, M.T, H.I. Browman, I.E. Jokinen & A.B. Skiftesvik. 2010. Effects of UV radiation and diet on polyunsaturated fatty acids in the skin, ocular tissue and dorsal muscle of Atlantic salmon (Salmo salar) held in outdoor rearing tanks. Photochemistry and Photobiology 86: 909-191.
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The reproductive cycle of female Ballan wrasse Labrus bergylta in high latitude, temperate waters.

Muncaster, S., E. Andersson, O.S. Kjesbu, G.L. Taranger, A.B. Skiftesvik & B. Norberg. 2010. The reproductive cycle of female Ballan wrasse Labrus bergylta in high latitude, temperate waters. Journal of Fish Biology 77: 494-511.
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Moral, ethical and scientific aspects of welfare in aquatic organisms.

Browman, H.I. & A.B. Skiftesvik. 2007. Moral, ethical and scientific aspects of welfare in aquatic organisms. Diseases of Aquatic Organisms 75: 85.
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The welfare of aquatic organisms.

Browman, H.I. & A.B. Siftesvik (Eds.). 2007. The welfare of aquatic organisms. Diseases of Aquatic Organisms 75(2).
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Larval development in European hake (Merluccius merluccius L.) reared in a semi-intensive culture system.

Bjelland, R.M. & A.B. Skiftesvik. 2006. Larval development in European hake (Merluccius merluccius L.) reared in a semi-intensive culture system. Aquaculture Research 37: 1117-1129.
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The relationship between ultraviolet and polarized light and growth rate in the early larval stages of turbot (Scophtalmus maximus), Atlantic cod (Gadus morhua) and Atlantic herring (Clupea harengus) reared in intensive culture conditions.

Browman, H.I., A.B. Skiftesvik & P. Kuhn. 2006. The relationship between ultraviolet and polarized light and growth rate in the early larval stages of turbot (Scophtalmus maximus), Atlantic cod (Gadus morhua) and Atlantic herring (Clupea harengus) reared in intensive culture conditions. Aquaculture 256: 296-301.
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Hake

Skiftesvik, A.B. & R.M. Bjelland. 2004 Hake. In: Culture of Cold-Water Marine Fish (ed. by Moksness, E., E. Kjørsvik, & Y. Olsen.) Blackwell Publishing, pp. 451-454.

The effect of turbulence on the energetics of foraging in Atlantic cod (Gadus morhua) larvae.

Galbraith, P., H.I. Browman, R.G. Racca, A.B. Skiftesvik & J.-F. St-Pierre. 2004. The effect of turbulence on the energetics of foraging in Atlantic cod (Gadus morhua) larvae. Marine Ecology Progress Series 281: 241-257.
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Behaviour of Atlantic cod (Gadus morhua) larvae: an attempt to link maternal condition with larval quality.

Browman, H.I., J.-F. St-Pierre, A.B. Skiftesvik & R.G. Racca. 2003. Behaviour of Atlantic cod (Gadus morhua) larvae: an attempt to link maternal condition with larval quality. pp: 71-95, In: H.I. Browman and A.B. Skiftesvik (Editors). The Big Fish Bang. Proceedings of the 26th Annual Larval Fish Conference.
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Life in green water: the effect of microalgae on the behaviour of Atlantic cod (Gadus morhua) larvae,

Skiftesvik, A.B., H.I. Browman & J.-F. St-Pierre. 2003. Life in green water: the effect of microalgae on the behaviour of Atlantic cod (Gadus morhua) larvae, pp: 97-103, In: H.I. Browman and A.B. Skiftesvik (Editors). The Big Fish Bang. Proceedings of the 26th Annual Larval Fish Conference.
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The Big Fish Bang.

Browman, H.I. & A.B. Skiftesvik (Editors). 2003. The Big Fish Bang. Proceedings of the 26th Annual Larval Fish Conference.
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The effect of light on activity and growth of halibut (Hippoglossus hippoglossus) yolk sac larvae.

Karlsen, Ø., A.B. Skiftesvik & J.V. Helvik. 1998. The effect of light on activity and growth of halibut (Hippoglossus hippoglossus) yolk sac larvae. Aquaculture Research 29: 899-911.
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Large-scale rearing of halibut (Hippoglossus hippoglossus L.) yolk sac larvae: Effects of flow rate on growth, survival and accumulation of bacteria.

Opstad, I., Ø. Bergh & A.B. Skiftesvik. 1998. Large-scale rearing of halibut (Hippoglossus hippoglossus L.) yolk sac larvae: Effects of flow rate on growth, survival and accumulation of bacteria. Aquaculture Research 29: 893-898.
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Experimental infection of yolk sac larvae of turbot, Scophthalmus maximus, and halibut, Hippoglossus hippoglossus, with Aeromonas salmonicida subsp. salmonicida.

Bergh, Ø., B. Hjeltnes & A.B. Skiftesvik. 1997. Experimental infection of yolk sac larvae of turbot, Scophthalmus maximus, and halibut, Hippoglossus hippoglossus, with Aeromonas salmonicida subsp. salmonicida. Diseases of Aquatic Organisms 29: 13-20.
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The effects of turbulence on the predation cycle of fish larvae: comments on some of the issues.

Browman, H.I. & A.B. Skiftesvik. 1996. The effects of turbulence on the predation cycle of fish larvae: comments on some of the issues. Marine Ecology Progress Series 139: 309-312.
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Preliminary breeding trials of wrasse in an intensive system.

Skiftesvik, A.B., K. Boxaspen & A. Parsons. 1996. Preliminary breeding trials of wrasse in an intensive system. pp: 136-141 In: Wrasse: Biology and Use in Aquaculture. Edited by M.D.J. Sayer, J.W. Treasurer & M.J. Costello. Blackwell.
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Impact of physical environment on the behaviour of cod larvae.

Skiftesvik, A.B. 1994. Impact of physical environment on the behaviour of cod larvae. ICES Mar. Sci. Symp. 198: 646-653.
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Activity and swimming speed at time of first feeding of halibut (Hippoglossus hippoglossus L.) larvae.

Skiftesvik, A.B., Ø. Bergh & I. Opstad. 1994. Activity and swimming speed at time of first feeding of halibut (Hippoglossus hippoglossus L.) larvae. Journal of Fish Biology 45: 349-351.
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Changes in behaviour at onset of exogenous feeding in marine fish larvae.

Skiftesvik, A.B. 1992. Changes in behaviour at onset of exogenous feeding in marine fish larvae. Canadian Journal of Fisheries and Aquatic Sciences 49: 1570-1572.
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Changes in behaviour of Atlantic halibut (Hippoglossus hippoglossus) and turbot (Scophthalmus maximus) yolk-sac larvae induced by bacterial infections.

Skiftesvik, A.B. & Ø. Bergh. 1992. Changes in behaviourof Atlantic halibut (Hippoglossus hippoglossus) and turbot (Scophthalmus maximus) yolk-sac larvae induced by bacterial infections. Canadian Journal of Fisheries and Aquatic Sciences 50: 2552-2557.
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Bacterial diseases of eggs and yolk sac larvae of halibut (Hippoglossus hippoglossus L.).

Bergh, Ø., G.H. Hansen, A. Jelmert, A.B. Skiftesvik & R.E. Taxt. 1991. Bacterial diseases of eggs and yolk sac larvae of halibut (Hippoglossus hippoglossus L.). In: P. Lavens, P. Sorgeloos, E. Jaspers & F. Ollevier (eds.) European Aquaculture Society, Special Publication No. 15: 389-391, Ghent, Belgium.
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A PC-aided video based system for behaviour observation of fish larvae and small aquatic invertebrates.

Huse, I. & A.B. Skiftesvik. 1990. A PC-aided video based system for behaviour observation of fish larvae and small aquatic invertebrates. Aquacultural Engineering 9: 131-142.
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Development of eggs and yolk sac larvae of halibut (Hippoglossus hippoglossus L.).

Pittman, K., Ø. Bergh, I. Opstad, A.B. Skiftesvik, L. Skjolddal & H. Strand. 1990. Development of eggs and yolk sac larvae of halibut (Hippoglossus hippoglossus L.). Journal of Applied Ichthyology 6: 142-160.
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Morphological and behavioural development of halibut Hippoglossus hippoglossus L. larvae.

Pittman, K., A.B. Skiftesvik & L. Berg. 1990. Morphological and behavioural development of halibut Hippoglossus hippoglossus L. larvae. Journal of Fish Biology 37: 455-474.
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Effect of temperature on growth rates and organogenesis in the yolk sac larvae of halibut (Hippoglossus hippoglossus L.).

Pittman, K., A.B. Skiftesvik & T. Harboe. 1989. Effect of temperature on growth rates and organogenesis in the yolk sac larvae of halibut (Hippoglossus hippoglossus L.). Rapp. P.-v. Reun. Cons. Int. Explor. Mer 191: 421-430.
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Last updated: December 27, 2023