Alaska pollock

Gadus chalcogrammus

Fish
IUCN: Not evaluated

Usual depth0–210 m
Water temperature-0–12 °C
Best monthsMay, June, and July
How commonCommon

Photo credit: (c) George Berninger Jr., some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist

About this species

The Alaska pollock also known as Pacific pollock or walleye pollock is a marine fish species of the cod genus Gadus and family Gadidae.

Text from the Wikipedia article “Alaska pollock”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 46 records
February: 54 records
March: 268 records
April: 1,681 records
May: 5,815 records
June: 5,569 records
July: 3,537 records
August: 840 records
September: 825 records
October: 129 records
November: 81 records
December: 31 records

Depth and water temperature

Depth

Mostly recorded at 0–210 m · Deepest record: 4,408 m

0–10 m: 5,191 records
10–20 m: 55 records
20–30 m: 48 records
30–40 m: 46 records
40–50 m: 49 records
50–60 m: 101 records
60–70 m: 340 records
70–80 m: 396 records
80–90 m: 553 records
90–100 m: 619 records
100–110 m: 800 records
110+ m: 5,967 records

Water temperature

Recorded in surface water of -0–12 °C

-2–0 °C: 1 records
0–2 °C: 2 records
2–4 °C: 42 records
4–6 °C: 133 records
6–8 °C: 149 records
8–10 °C: 271 records
10–12 °C: 204 records

Photos

(c) Σ64, some rights reserved (CC BY) · CC BY · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist
(c) Cole Wolf, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Matt Muir, some rights reserved (CC BY) · CC BY · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist
(c) Валерия Ковалева, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Aiva Noringseth, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Alaska pollock, bigeye, Walleye Pollock

Names in 6 more languages

German: Alaska-Pollack, Alaska-Seelachs, Pazifischer Pollack, Polar Kabeljau
Spanish: Abadejo de Alaska, colin de Alaska, Colín de Alaska
French: Colin d'Alaska, colin de l'Alaska, goberge de l'Alaska, Lieu d'Alaska, lieu de l'Alaska
Japanese: Suketodara, スケソウダラ, スケトウダラ, スケトウダラ／スケソウダラ
Korean: 명태
Simplified Chinese: 阿拉斯加鱈, 黃線狹鱈

Other scientific names: Gadus minor, Gadus periscopus, Pollachius chalcogrammus, Theracra chalcogramma, Theragra chalcogramma, Theragra chalcogrammus, Theragra fucensis

Similar species

Pacific cod
Gadus macrocephalus
Atlantic cod
Gadus morhua

Sources and credits

Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).

Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
Conservation status as published by GBIF (IUCN Red List).
96,935 open-data records from 1900 to 2024.
Species data updated November 2, 2026.

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