Navaga (Eleginus nawaga) fish species and information / pictures of Navaga - Eleginus nawaga

Navaga (Eleginus nawaga) fish species information

Scientific Name
Eleginus nawaga

Common Name
Navaga

Biology
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.

Classification

Classified By
Walbaum, 1792
Class
Ray-finned fishes (Actinopterygii)
Order
Cods (Gadiformes)
Family
Cods and haddocks (Gadidae)

Distribution

Region
Arctic
Distribution
Arctic: White, Barents and Kara seas and from the Kola Bay to the Ob inlet.
Range
74°N - 62°N, 33°E - 83°E

Environment

Climate
Polar
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
10 m
Depth To - meters
Unknown m
Zone
demersal
Environment
Marine; freshwater; brackish; demersal; amphidromous; depth range 10 - ? m (Ref. 1371)
Trophic Level
4.24 s.e. 0.73 Based on food items.
Occurs in Marine / Salt water
True
Occurs in Brackish water
True
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
42.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: commercial
Vulnerability
Moderate to high vulnerability (50 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tm=3-4; Fec=20,000)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated