Kingdom: Animalia > Phylum: Chordata > Class: Actinopterygii > Order: Salmoniformes > Family: Salmonidae > Genus: Oncorhynchus > Species: Oncorhynchus nerka

Blue-back - Oncorhynchus nerka (Walbaum, 1792)

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Quick facts

Threat status Europe Not evaluated (IUCN)
Reported as invasive by NOBANIS

The EUNIS species component has very limited information about this species.

The main focus of the EUNIS species component is to provide relevant information about the European species protected by Directives, Conventions and Agreements. The species assessed in the European Red Lists prepared by the IUCN for the European Commission are also included.

See here what is Europe from a geographical point of view.

Other resources available below may have more information.


The distribution map is currently disabled. A new map solution will soon become available. In the meantime, please consult other species distribution map providers listed in the Other resources panel below.

Threat and conservation status

IUCN Red List status of threatened species

The IUCN Red List threat status assesses the risk of extinction.


Least Concern


Not evaluated


Not evaluated

IUCN Red List Category
Not Evaluated
Near Threatened
Regionally Extinct
Not Applicable
Extinct in the Wild
Data Deficient
Least Concern
Critically Endangered

EU conservation status

The EU conservation status is assessed for species mentioned in the EU Habitats Directive annexes. The EU Habitats Directive does not cover this species.

Natura 2000 sites

Not available

Legal status

Not listed in legal texts

Common names and synonyms

Common Name Language Reference
Blaurücken German Fishbase
Blue-back English Fishbase
Fraser river salmon English Fishbase
Indian-laks Norwegian Fishbase
Indianlax Swedish Fishbase
Intiaanilohi Finnish Fishbase
Karlikovaya nerka Russian Fishbase
Kokkinos solomos Greek Fishbase
Krasnaya Russian Fishbase
Nerka Russian Fishbase
Nyarka Russian Fishbase
Punalohi Finnish Fishbase
Quinalt English Fishbase
Rauolax Icelandic Fishbase
Red salmon English Fishbase
Redfish English Fishbase
Rode zalm Dutch Fishbase
Rödlax Swedish Fishbase
Roter Lachs German Fishbase
Rotlachs German Fishbase
Salmão-vermelho Portuguese Fishbase
Salmao-vermelho-do-Pacífico Portuguese Fishbase
Salmon Spanish Fishbase
Salmón rojo Spanish Fishbase
Salmone rosso Italian Fishbase
Saumon rouge French Fishbase
Sock-eye salmon English Fishbase
Sockeye Swedish Fishbase
Sockeye salmon English Fishbase
Synonym Author
Salmo nerka Walbaum, 1792
Salmo paucidens Richardson, 1836
Salmo kennerlyi Suckley, 1861
Hypsifario kennerlyi (Suckley, 1861)
Oncorhynchus nerka kennerlyi (Suckley, 1861)

Other resources

CoL (accepted name) Catalogue of Life
EoL Encyclopedia of Life
Fauna Europaea search Fauna Europaea
FishBase FishBase
GBIF Global Biodiversity Information Facility
ITIS (Valid name) Interagency Taxonomic Information System
NCBI National Center for Biotechnology Information
Wikipedia Wikipedia
WoRMS World Register of Marine Species

External data

No external data sets available for this species
European Environment Agency (EEA)
Kongens Nytorv 6
1050 Copenhagen K
Phone: +45 3336 7100