Coho Salmon

Oncorhynchus kisutch

General Status Rank: 
Vagrant
ELCODE: 
AFCHA02030
Common Name: 
Coho Salmon
Scientific Name: 
Oncorhynchus kisutch
Naming References: 
A113
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Taxonomy
Group: 
Fish
Kingdom: 
Animalia
Phylum: 
Chordata
Class: 
Actinopterygii
Order: 
Salmoniformes
Family: 
Salmonidae
References: 
B011
General Biology

Female Age at Maturity

3-4 years (4-5 years in northern areas)
References: 
B011

Longevity

3-4 years (4-5 years in northern areas) dies soon of first reproduction
References: 
B011

Economic/Human Considerations

important to native and commercial fisheries but not in the N.W.T.(B118); fisheries: highly commercial; aquaculture: commercial; gamefish: yes; aquarium: public aquariums(W017)
References: 
B118
W017
Habitat
adults = marine spawning = in tributary of large rivers or in small, coastal, gravelly streams (B011). Env:demersal; anadromous;freshwater; brackish; marine; depth range 0-250m. Clim:polar; 0-25°C; 72°N-37°N(W017). Epipelagic, anadromous, to 60m, eat crustaceans, jellyfish, squid and fish(R131).
References: 
B011
H139
R131
W017
Distribution

Ecozones

Taiga Plains, Beaufort Sea Amundsen Gulf
References: 
A113
R131

Distribution

rare visitor (A113) The NT distribution area added for Coho Salmon is considered uncertain and includes the Mackenzie Delta and Great Bear Lake (Babaluk et al. 2000; Stephenson 2005, 2006). (B172)
References: 
A113
B172

Number of Occurrences

one on Great Bear Lake, also Mack Delta
Score: 
A
References: 
A113
B172

Area of Occupancy

Score: 
-
References: 
R131
Population

Population Size

Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (K=0.98(?); tm=2-4; Fec=1,400) (W017) 108cm(R131)
References: 
R131
W017
Trends

Trends

anadromous stray reported Great Bear Lake, presumably via the Beaufort Sea, remain in fw as residual form (R131)
References: 
R131
Threats

Intrinsic Vulnerability

climate change will likely have positive effects for increasing occurrences in areas, establishing new populations, etc.
Score: 
-
General Status Rank
Rank: 
Vagrant
Status Rank Description: 
rare (R131)
S Rank: 
SNA
Decision Process Description: 
Drafted by S. Carriere from literature Reviewed by Dr. Reist, DFO in 2000; Reviewed by L Cooper, G Low, Dr Reist in 2005, no change.; Reviewed by DFO in 2010,no change; Reviewed by DFO in 2015, no change
Last Updated: 
July 22, 2015

References

Age Of Maturity

  • Scott WB and Crossman EJ (1979) Freshwater Fishes of Canada. Bryant Press Ltd RWED Library Call #QL626.S3 - B011 Return

Area of Occupancy

  • Coad B.W. and Reist J.D. (2004) Annotated List of the Arctic Marine Fishes of Canada.. DFO, Canadian Manuscript Report of Fisheries and Aquatic Sciences 2674 - R131 Return

Economic Status

  • Page, L. M. and Brook, M. B. (1991) A field guide Freshwater Fishes. Houghton Mifflin Company Peterson Field Guides RWED Library - QL 625.P3 - B118 Return
  • FishBase (2004) Fish Base, accessed Nov 5, 2004. Froese, R. and D. Pauly. Editors. 2004 www.fishbase.org, version (09/2004) - W017 Return

Ecozones

  • Babaluk, J. A., Reist, J. D., Johnson, J. D., Johnson, L. (2000) First records of Sockeye (Oncorhynchus nerka) and Pink Salmon (O. gorbuscha) from Banks Island and other Records of Pacific slamon in Northwest Territories, Canada.. Arctic 53:161-164 - A113 Return
  • Coad B.W. and Reist J.D. (2004) Annotated List of the Arctic Marine Fishes of Canada.. DFO, Canadian Manuscript Report of Fisheries and Aquatic Sciences 2674 - R131 Return

Habitat

  • Scott WB and Crossman EJ (1979) Freshwater Fishes of Canada. Bryant Press Ltd RWED Library Call #QL626.S3 - B011 Return
  • Reist, JD (2000) Pers. communication. DFO Research Scientist and Head Arctic Fish Ecology and Assessment Research Section Fisheries and Oceans Canada DFO - H139 Return
  • Coad B.W. and Reist J.D. (2004) Annotated List of the Arctic Marine Fishes of Canada.. DFO, Canadian Manuscript Report of Fisheries and Aquatic Sciences 2674 - R131 Return
  • FishBase (2004) Fish Base, accessed Nov 5, 2004. Froese, R. and D. Pauly. Editors. 2004 www.fishbase.org, version (09/2004) - W017 Return

Longevity

  • Scott WB and Crossman EJ (1979) Freshwater Fishes of Canada. Bryant Press Ltd RWED Library Call #QL626.S3 - B011 Return

Naming

  • Babaluk, J. A., Reist, J. D., Johnson, J. D., Johnson, L. (2000) First records of Sockeye (Oncorhynchus nerka) and Pink Salmon (O. gorbuscha) from Banks Island and other Records of Pacific slamon in Northwest Territories, Canada.. Arctic 53:161-164 - A113 Return

Number of Occurrences

  • Babaluk, J. A., Reist, J. D., Johnson, J. D., Johnson, L. (2000) First records of Sockeye (Oncorhynchus nerka) and Pink Salmon (O. gorbuscha) from Banks Island and other Records of Pacific slamon in Northwest Territories, Canada.. Arctic 53:161-164 - A113 Return
  • Sawatzky, C.D., Michalak, D. Reist, J.D. Carmichael, T.J., Mandrak, N.E., Heuring, L.G. (2007) Distributions of freshwater and anadromous fishes from the mainland Northwest Territories, Canada.. Canadian Manuscript Report of Fisheries and Aquatic Sciences 2793 - B172 Return

Population Size

Coad B.W. and Reist J.D. (2004) Annotated List of the Arctic Marine Fishes of Canada.. DFO, Canadian Manuscript Report of Fisheries and Aquatic Sciences 2674 - R131 Return
,
FishBase (2004) Fish Base, accessed Nov 5, 2004. Froese, R. and D. Pauly. Editors. 2004 www.fishbase.org, version (09/2004) - W017 Return

Range Extent

  • Babaluk, J. A., Reist, J. D., Johnson, J. D., Johnson, L. (2000) First records of Sockeye (Oncorhynchus nerka) and Pink Salmon (O. gorbuscha) from Banks Island and other Records of Pacific slamon in Northwest Territories, Canada.. Arctic 53:161-164 - A113 Return
  • Sawatzky, C.D., Michalak, D. Reist, J.D. Carmichael, T.J., Mandrak, N.E., Heuring, L.G. (2007) Distributions of freshwater and anadromous fishes from the mainland Northwest Territories, Canada.. Canadian Manuscript Report of Fisheries and Aquatic Sciences 2793 - B172 Return

Short Term Trends

  • Coad B.W. and Reist J.D. (2004) Annotated List of the Arctic Marine Fishes of Canada.. DFO, Canadian Manuscript Report of Fisheries and Aquatic Sciences 2674 - R131 Return

Taxonomy

  • Scott WB and Crossman EJ (1979) Freshwater Fishes of Canada. Bryant Press Ltd RWED Library Call #QL626.S3 - B011 Return