Eleginus nawaga (Koelreuter, 1770)

Navaga

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Gadiformes \| Gadidae
Synonyms	Gadus callarias nawaga, Eleginus nawaga karaensis, ... more
Common names	Morue arctique, Bacalao navaga, Arctic cod, ... more

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AquaMaps Data sources: GBIF OBIS

Main reference

Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba. 1990. (Ref. 1371)
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Size / Weight / Age

Max length : 42.0 cm TL male/unsexed; (Ref. 1371); max. reported age: 12 years (Ref. 72462)

Environment

Demersal; amphidromous; freshwater; brackish; marine; depth range 10 - ? m (Ref. 1371)

Climate / Range

Polar; 74°N - 62°N, 33°E - 83°E (Ref. 1371)

Arctic: White, Barents and Kara seas and from the Kola Bay to the Ob inlet.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Anal spines: 0. Lateral line continuous to about the origin of the second dorsal fin. Head with no lateral line pores. Expanded parapophyses swollen and hollow, beginning on about vertebral centrum 5, containing outpouchings of the swim bladder. Brownish dorsally, becoming paler ventrally; with small dark blotches.

Lives in the coastal sublittoral zone of the White Sea and Arctic coasts of Europe where it reflects a broad adaptation to the ecological conditions of the Arctic (Ref. 1371). Found at shallow depths, along shores with soft, muddy bottoms, close to the ice and on the continental shelf (Ref. 1371). Often caught in greatly freshened and at times completely fresh water, entering mouths and tidal zones of rivers and traveling upstream (Ref. 1371). Feeds mainly on crustaceans and worms, but takes small fishes (Ref. 1371). Taxonomic problems to be solved.


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (tm=3-4; Fec=20,000)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate to high vulnerability (50 of 100)	High

Entered by Luna, Susan M.

Modified by Ortañez, Auda Kareen

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Page last modified by : elaxamana, 15 July 2009

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