2022
Natural and anthropogenic drivers of escaped farmed salmon occurrence and introgression into wild Norwegian Atlantic salmon populations
Ola Håvard Diserud, Peder Fiske, Sten Karlsson, Kevin Alan Glover, Tor Næsje, Tonje Aronsen, Gunnar O Bakke, Bjørn Torgeir Barlaup, J. Erkinaro, Bjørn Florø-Larsen, Anders Foldvik, Mikko Petteri Heino, Øyvind Kanstad-Hanssen, Håvard Lo, Roar Asbjørn Lund, R. Muladal, E. Niemela, Finn Økland, Gunnel Marie Østborg, Håkon Magne Otterå, Øystein Skaala, Helge Skoglund, Ingrid Solberg, Monica Favnebøe Solberg, Vegard Pedersen Sollien, Harald Sægrov, Kurt Urdal, Vidar Wennevik, Kjetil Hindar
ICES Journal of Marine Science
79
p. 1363-1379
2022
A novel probabilistic survey method for at sea sampling in pelagic fisheries – the Norwegian catch sampling lottery
Håkon Magne Otterå, Jens A. Wathne, Edvin Fuglebakk, Aril Slotte, Bjørn Vidar Svendsen, Jon Helge Vølstad
Fisheries Research
260
2022
Integrating complementary survey methods to estimate catches in Norway’s complex marine recreational hook-and-line fishery
Keno Ferter, Håkon Magne Otterå, Mary C. Christman, Alf Ring Kleiven, Marc Simon Weltersbach, Sofie Gundersen, Christine Djønne, Otte Bjelland, Bruce Hartill, Jeremy Lyle, Kieran Hyder, Trude Kristin Borch, Jon Helge Vølstad
ICES Journal of Marine Science
2020
The pantophysin gene and its relationship with survival in early life stages of Atlantic cod: Pantophysin in Atlantic cod
Håkon Magne Otterå, Torild Johansen, Arild Folkvord, Geir Dahle, Marte Kristine Solvang Bingh, Jon-Ivar Westgaard, Kevin Glover
Royal Society Open Science
7
p. 1-13
2019
Domesticated escapees on the run: The second-generation monitoring programme reports the numbers and proportions of farmed Atlantic salmon in >200 Norwegian rivers annually
Kevin Glover, Kurt Urdal, Tor Næsje, Helge Skoglund, Bjørn Florø-Larsen, Håkon Magne Otterå, Peder Fiske, Mikko Petteri Heino, Tonje Aronsen, Harald Sægrov, Ola Håvard Diserud, Bjørn Torgeir Barlaup, Kjetil Hindar, Gunnar O Bakke, Ingrid Solberg, Håvard Lo, Monica Favnebøe Solberg, Sten Karlsson, Øystein Skaala, Anders Lamberg, Øyvind Kanstad-Hanssen, Rune Muladal, Ove Tommy Skilbrei, Vidar Wennevik
ICES Journal of Marine Science
76
p. 1151-1161
2019
Field surveying of marine recreational fisheries in Norway using a novel spatial sampling frame reveals striking under-coverage of alternative sampling frames
Jon Helge Vølstad, Mary C. Christman, Keno Ferter, Alf Ring Kleiven, Håkon Magne Otterå, Øystein Aas, Robert Arlinghaus, Trude Borch, Jonathan Edward Colman, Bruce Hartill, Thrond Oddvar Haugen, Kieran Hyder, Jeremy Lyle, Martin Junker Ohldieck, Christian Skov, Harry Vincent Strehlow, Dave van Voorhees, Marc Simon Weltersbach, Edward D. Weber
ICES Journal of Marine Science
77
p. 2192-2205
2019
Otolith growth and zone formation during first maturity and spawning of Atlantic cod (Gadus morhua)
Christian Irgens, Arild Folkvord, Håkon Magne Otterå, Olav Sigurd Kjesbu
Canadian Journal of Fisheries and Aquatic Sciences
77
p. 113-123
2018
Growth of wild and domesticated Atlantic cod Gadus morhua reared under semi-commercial conditions
Håkon Magne Otterå, Mikko Petteri Heino, Anne Grete Eide Sørvik, Terje Svåsand, Ørjan Karlsen, Anders Thorsen, Kevin Glover
Aquaculture Environment Interactions
10
p. 187-200
2017
Timecourse of oocyte development in saithe Pollachius virens
Jon Egil Skjæraasen, Jennifer Ann Devine, Jane Aanestad Godiksen, Merete Fonn, Håkon Magne Otterå, Olav Sigurd Kjesbu, Birgitta Norberg, Øystein Langangen, Ørjan Karlsen
Journal of Fish Biology
90
p. 109-128
2016
Two adjacent inversions maintain genomic differentiation between migratory and stationary ecotypes of Atlantic cod
Tina Graceline Kirubakaran, Harald Grove, Matthew Peter Kent, Simen Rød Sandve, Matthew Baranski, Torfinn Nome, Maria Cristina De Rosa, Benedetta Righino, Torild Johansen, Håkon Magne Otterå, Anna Kristina Sonesson, Sigbjørn Lien, Øivind Andersen
Molecular Ecology
25
p. 2130-2143
2016
Performance of triploid Atlantic cod (Gadus morhua L.) in commercial aquaculture
Håkon Magne Otterå, Anders Thorsen, Ørjan Karlsen, Per Gunnar Fjelldal, Hugh Craig Morton, Geir Lasse Taranger
Aquaculture
464
p. 699-709
2016
Influence of depth, time and human activity on detection rate of acoustic tags: a case study on two fish farms
Håkon Magne Otterå, Ove Tommy Skilbrei
Journal of Fish Biology
88
p. 1229-1235
2016
Vertical distribution of saithe (Pollachius virens) aggregating around fish farms
Ove Tommy Skilbrei, Håkon Magne Otterå
ICES Journal of Marine Science
73
p. 1186-1195
2015
Pug-headedness in the farmed triploid Atlantic cod, Gadus morhua Linnaeus, 1758 (Actinopterygii: Gadiformes: Gadidae) in Norway
Laith A. Jawad, Anders Thorsen, Håkon Magne Otterå, Per Gunnar Fjelldal
Acta Adriatica
56
p. 291-296
2014
Possible influence of salmon farming on long-term resident behaviour of wild saithe (Pollachius virens L.)
Håkon Magne Otterå, Ove Tommy Skilbrei
ICES Journal of Marine Science
71
p. 2484-2493
2014
Genetic marking of farmed Atlantic cod (Gadus morhua l.) and detection of escapes from a commercial cod farm
Knut Eirik Jørstad, Håkon Magne Otterå, Terje van der Meeren, Geir Dahle, Ole Ingar Paulsen, Gunnar O Bakke, Terje Svåsand
ICES Journal of Marine Science
71
p. 574-584
2013
Fertility of gynogenetic Atlantic cod (Gadus morhua L.)
Ørjan Karlsen, Håkon Magne Otterå, Anders Thorsen
Journal of Applied Ichthyology
29
p. 1292-1296
2012
Seasonal dynamics of growth and mortality suggest contrasting population structure and ecology for cod, pollack and saithe in a Norwegian fjord
Mikko Petteri Heino, Terje Svåsand, Jarle Tryti Nordeide, Håkon Magne Otterå
ICES Journal of Marine Science
69
p. 537-546
2012
Is spawning time of marine fish imprinted in the genes? A two-generation experiment on local Atlantic cod (Gadus morhua L.) populations from different geographical regions
Håkon Magne Otterå, Ann-Lisbeth Agnalt, Anders Thorsen, Olav Sigurd Kjesbu, Geir Dahle, Knut Eirik Jørstad
ICES Journal of Marine Science
69
p. 1722-1728
2011
Induction of meiotic gynogenesis in Atlantic cod, Gadus morhua (L.)
Håkon Magne Otterå, Anders Thorsen, Stefano Peruzzi, Geir Dahle, Tom Johnny Hansen, Ørjan Karlsen
Journal of Applied Ichthyology
27
p. 1298-1302
2009
A comparison of farmed, wild and hybrid Atlantic salmon (Salmo salar L.) reared under farming conditions
Kevin Glover, Håkon Magne Otterå, Rolf Erik Olsen, Erik Slinde, Geir Lasse Taranger, Øystein Skaala
Aquaculture
286
p. 203-210
2009
Effects of egg size, parental origin and feeding conditions on growth of larval and juvenile cod Gadus morhua
H. Paulsen, Olav Sigurd Kjesbu, V. Buehler, R.A.J. Case, C. Clemmesen, G. Carvalho, L. Hauser, William F. Hutchinson, Erlend Moksness, Håkon Magne Otterå, Anders Thorsen, Terje Svåsand
Journal of Fish Biology
75
p. 516-537
2009
Quality of wild-captured saithe (Pollachius virens L.) fed formulated diets for 8 months
Håkon Magne Otterå, Ørjan Karlsen, Erik Slinde, Rolf Erik Olsen
Aquaculture Research
40
p. 1310-1319
2009
Effects of female spawning experience and larval size on feeding and growth of cod larvae Gadus morhua L. reared in mesocosms
Kjersti Eline Tønnessen Busch, Arild Folkvord, Håkon Otterå, William F. Hutchinson, Terje Svåsand
Marine Biology Research
5
p. 286-296
2007
Effect of diet and season on quality of farmed Atlantic cod (Gadus morhua L)
Håkon Magne Otterå, Mats Carlehög, Ørjan Karlsen, Leif Akse, Jørgen Borthen, Guro Eilertsen
Lebensmittel-Wissenschaft + Technologie
40
p. 1623-1629
2006
Differences in spawning time of captive Atlantic cod from four regions of Norway, kept under identical conditions
Otterå, H., Agnalt, A. and Jørstad, K.
ICES Journal of Marine Sciences
63
p. 216-223
2006
Association between growth and Pan I* genotype within Atlantic cod full-sibling families
Richard A.J. Case, William F. Hutchinson, Lorenz Hauser, Vivian Buehler, Catriona Clemmesen, Geir Dahle, Olav Sigurd Kjesbu, Erlend Moksness, Håkon Magne Otterå, Helge Paulsen, Terje Svåsand, Anders Thorsen, Gary R. Carvalho
Transactions of the American Fisheries Society
135
p. 241-250
2006
Comparison of growth rate among different protein genotypes in Atlantic cod, Gadus morhua, under farmed conditions
Knut E. Jørstad, Ørjan Karlsen, Terje Svåsand, Håkon Magne Otterå
ICES Journal of Marine Science
63
p. 235-245
2006
Food ingestion in juvenile cod estimated by inert lanthanide markers - effects of food particle size
Oddvard Garatun-Tjeldstø, Håkon Otterå, Kåre Julshamn, Erland Austreng
ICES Journal of Marine Science
63
p. 311-319
2003
Variability in condition and growth of Atlantic cod larvae and juveniles reared in mesocosms: environmental and maternal effects.
Catriona Clemmesen, Vivian Buehler, Gary Carvalho, R.A.J. Case, G Evans, Lorenz Hauser, William F. Hutchinson, Olav Sigurd Kjesbu, H. Mempel, Erlend Moksness, Håkon Magne Otterå, H. Paulsen, Anders Thorsen, Terje Svåsand
Journal of Fish Biology
62
p. 706-723
2003
Feed preferences in juvenile cod estimated by inert lanthanid markers - effects of moisture content in the feed
Håkon Magne Otterå, Oddvard Garatun-Tjeldstø, Kåre Julshamn, Erland Austreng
Aquaculture International
11
p. 217-224
2003
Feed preferences in juvenile cod estimated by lanthanid markers - effects of moisture content in the feed
Håkon Otterå, Oddvard Garatun-Tjeldstø
Aquaculture International
11
p. 217-224
2003
Is humane slaughter of fish possible for industry?
Hans van de Vis, Steve Kestin, David Robb, Jörg Oehlenschläger, Bert Lambooij, Werner Münkner, Holmer Kuhlmann, Karin Kloosterboer, Margarita Tejada, Almudena Huidobro, Håkon Otterå, Bjørn Roth, Nils Kristian Sørensen, Leif Akse, Hazel Byrne, Paul Nesvadba
Aquaculture Research
34
p. 211-220
1994
comparative survival and growth of two strains of Atlantic cod (Gadus morhua) through the early life stages in a marine pond
Blom, G., Svåsand, T., Jørstad, K.E., Otterå, H., Paulsen, O.I. and Holm, J.C.
Canadian Journal of Fisheries and Aquatic Sciences
51
p. 1012-1023
1993
Allometric growth in juvenile cod (Gadus morhua) and possible effects on cannibalism
Håkon Otterå, Arild Folkvord
Journal of Fish Biology
43
p. 643-645
1993
Effects of initial size distribution, day length, and feeding frequency on growth, survival, and cannibalism in juvenile Atlantic cod (Gadus morhua L.)
Arild Folkvord, Håkon Otterå
Aquaculture
114
p. 243-260
1988
The toxicity and excretion of rotenone in oysters (Ostrea edulis) and its degradation in seawater at temperatures near 0˙C
Ole Bent Samuelsen, Einar Solheim, Håkon Magne Otterå, Jan Per Pedersen
Aquaculture
70
p. 355-363
2024
Kartlegging av menneskelig aktivitet på utvalgte gytefelt for kysttorsk nord for 62°N
Johanna Jennifer Elisabeth Fall, Kjell Harald Nedreaas, Kotaro Ono, Håkon Magne Otterå, Sofie Gundersen
Rapport fra havforskningen
2024
Prøvefiske med trollgarn og åleruser på grunt vatn om hausten - Strekninga Florø Ryfylke i perioden 2015-2023
Håkon Magne Otterå, Otte Bjelland, Jan Hinriksson, Harald Næss, Kjell Harald Nedreaas
Toktrapport
2023
Fangstprøvelotteriet 2022 - erfaringer og resultat
Georg Skaret, Justine Emmanuelle Diaz, Lise Heggebakken, Lea Marie Hellenbrecht, Åge Sigurd Høines, Espen Johnsen, Cecilie Kvamme, Leif Nøttestad, Are Salthaug, Erling Kåre Stenevik, Bjørn Vidar Svendsen, Susanne Tonheim, Håkon Magne Otterå
Rapport fra havforskningen
2023
Fangstprøvelotteriet 2021 - erfaringer og resultat
Åge Sigurd Høines, Justine Emmanuelle Diaz, Lise Heggebakken, Lea Marie Hellenbrecht, Espen Johnsen, Cecilie Kvamme, Leif Nøttestad, Are Salthaug, Georg Skaret, Erling Kåre Stenevik, Bjørn Vidar Svendsen, Susanne Tonheim, Håkon Magne Otterå
2022
Fangstprøvelotteriet 2020 – erfaringer og resultat
Åge Sigurd Høines, Espen Johnsen, Cecilie Kvamme, Leif Nøttestad, Håkon Magne Otterå, Are Salthaug, Erling Kåre Stenevik, Bjørn Vidar Svendsen
2021
Kunnskapsstøtte og råd for regulering av fisket etter leppefisk i 2022
Kim Aleksander Tallaksen Halvorsen, Anne Berit Skiftesvik, Torkel Larsen, Håkon Magne Otterå, Albert Fernández-Chacón
2021
Final report for the REDUS project - Reduced Uncertainty in Stock Assessment
Erik Joel Steinar Olsen, Sondre Aanes, Magne Tommy Aldrin, Olav Nikolai Breivik, Edvin Fuglebakk, Daisuke Goto, Nils Olav Handegard, Cecilie Hansen, Arne Johannes Holmin, Daniel Howell, Espen Johnsen, Natoya Jourdain, Knut Korsbrekke, Kotaro Ono, Håkon Magne Otterå, Holly Ann Perryman, Samuel Subbey, Guldborg Søvik, Ibrahim Umar, Sindre Vatnehol, Jon Helge Vølstad
2020
Fangstprøvelotteriet 2019: Erfaringer og foreløpige resultat
Erling Kåre Stenevik, Åge Sigurd Høines, Cecilie Kvamme, Håkon Magne Otterå, Are Salthaug, Bjørn Vidar Svendsen
2018
Kvikksølvinnhold i fisk og annen sjømat ved vraket av U-864 vest av Fedje
Sylvia Frantzen, Håkon Magne Otterå, Hilde Elise Heldal, Amund Måge
2016
Interaksjon mellom fiskeoppdrett og fiskeressurser på kysten
Terje van der Meeren, Ørjan Karlsen, Håkon Magne Otterå, Bjørn-Steinar Sæther, Ingebrigt Uglem
2004
Hardangerfjorden – produksjon av laksefisk og effekter på de ville bestandene av laksefisk
Håkon Otterå, Ove Skilbrei, Øystein Skaala, Karin Boxaspen, Jan Aure, Geir Lasse Taranger, Arne S Ervik, Reidar Borgstrøm
1997
Havbeite med torsk i Hordaland - sluttrapport
Håkon Otterå, Tore S. Kristiansen, Terje Svåsand, Asbjørn Borge, Arne Storaker, Jan Per Pedersen, Ole Ingar Paulsen, Gunnar Nævdal, Solveig Thorkildsen
1995
Rearing of juvenile Atlantic cod (Gadus morhua L.), with particular reference to the transition from live to formulated feeds
Håkon Otterå, Arne Johannessen