Major commercial fish of North Pacific. Used in fish sticks and surimi.
§ Quick facts
§ Encyclopedia
The Alaska pollock also known as Pacific pollock or walleye pollock is a marine fish species of the cod genus Gadus and family Gadidae.
Source: Wikipedia — Alaska pollock Licensed under CC BY-SA 4.0
§ Identification
Field marks. Slender olive-brown fish with three dorsal fins (gadid character); barbel on chin; deeply forked tail.
Similar species. Pacific Cod (chunkier; different proportions). Atlantic Pollock (different ocean). Hake species (different shape).
Voice. Silent.
§ Diet & behavior
Diet. Zooplankton (juveniles), small fish, krill (adults).
Behavior. Largest US single-species fishery by volume — ~1.5 million tonnes harvested annually in Bering Sea. Among the most-consumed fish in the US, though most consumers never know it (sold as fish sticks, McDonald's Filet-O-Fish, surimi/imitation crab). Managed under the most data-intensive fishery in the US; quotas set annually based on intensive stock assessments.
§ Range
North Pacific
§ Habitat
Cold North Pacific waters
§ Threats
Overfishing, climate change.
§ Conservation status
According to the IUCN Red List, the pollock (alaskan) is currently classified as Least Concern.
§ What helps
Buy MSC-certified pollock.
§ Further reading
- Wikipedia — Alaska pollock
- www.nwf.org — authoritative profile of Gadus chalcogrammus
- IUCN Red List · taxon 154353
- iNaturalist · taxon 49441
- GBIF occurrence records
- Encyclopedia of Life — Gadus chalcogrammus
§ Sources cited
- NOAA Fisheries Alaska
- North Pacific Fishery Management Council
- Marine Stewardship Council
- IUCN Red List 2014