Gadus chalcogrammus Pallas, 1814
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.
Open encyclopedia reference
The Alaska pollock also known as Pacific pollock or walleye pollock (Gadus chalcogrammus) is a marine fish species of the cod genus Gadus and family Gadidae.
It is a semi-pelagic schooling fish widely distributed in the North Pacific, with largest concentrations found in the eastern Bering Sea.
Wikipedia contributors, Alaska pollock; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T22:33:37.009161+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Gadus chalcogrammus Pallas, 1814
- Name authority
- Pallas, 1814
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Gadiformes
- Family
- Gadidae
- Genus
- Gadus
- Extinction status
- Not supplied by this source
Source habitat flags: Marine: yes · Freshwater: no · Terrestrial: no. These do not form a complete habitat description.
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- gigaclassActinopterygii
- superclassActinopteri
- classTeleostei
- orderGadiformes
- familyGadidae Rafinesque, 1810
- genusGadus Linnaeus, 1758
- speciesGadus chalcogrammus Pallas, 1814
Close classified relatives
These entries share the source’s genus, Gadus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Atlantic codGadus morhua Linnaeus, 1758 | GadidaeChordata | Accepted speciesExtinction status not supplied |
| Gadus finnmarchicus (Koefoed, 1956) | GadidaeChordata | Accepted speciesExtinction status not supplied |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Pollachius chalcogrammus (Pallas, 1814) (Pallas, 1814) | synonym |
| Theragra chalcogramma (Pallas, 1814) (Pallas, 1814) | synonym |
| Theragra fucensis (Jordan & Gilbert, 1893) (Jordan & Gilbert, 1893) | synonym |
| Gadus periscopus Cope, 1873 Cope, 1873 | synonym |
| Pollachius chalcogrammus fucensis Jordan & Gilbert, 1893 Jordan & Gilbert, 1893 | synonym |
| Theracra chalcogramma (Pallas, 1814) (Pallas, 1814) | synonym |
| Theragra chalcogrammus (Pallas, 1814) (Pallas, 1814) | synonym |
| Theragra chalcogramma chalcogramma (Pallas, 1814) (Pallas, 1814) | synonym |
| Gadus minor Döderlein, 1887 Döderlein, 1887 | synonym |
| Theragra chalcogrammus chalcogrammus (Pallas, 1814) (Pallas, 1814) | synonym |
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- Pallas, P. S. (1814). Zoographia Rosso-Asiatica, sistens omnium animalium in extenso Imperio Rossico et adjacentibus maribus observatorum recensionem, domicilia, mores et descriptiones anatomen atque icones plurimorum.3 vols.[1811-1814]. Academia Scientiarum, Petropolis [Sankt Petersburg], v. 3: i–vii + 1–428 + index (I–CXXV), Pls. 1, 13, 14, 15, 20 and 21. Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record. A suitable sourced image remains to be added.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:6K6PF. Classification follows source parent identifiers. English common names may vary by region.