Polar cod (Boreogadus saida) fish species and information / pictures of Polar cod - Boreogadus saida

Polar cod (Boreogadus saida) fish species information

Scientific Name
Boreogadus saida

Common Name
Polar cod

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 42-57; Anal spines: 0; Anal soft rays: 33 - 44; Vertebrae: 49 - 57. Caudal fin deeply concave. Lower jaw slightly longer than upper jaw. Chin barbel very small. No lateral line pores on head. Scales small and embedded, not overlapping. Brownish along the back with many fine points; the sides and belly silvery; the fins dusky with pale margins (Ref. 1371).

Classification

Classified By

Lepechin, 1774

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Cods and haddocks (Gadidae)

Distribution

Region

Circumpolar in the Arctic. North Atlantic

Distribution

Circumpolar in the Arctic. North Atlantic: White Sea, Iceland, and southern Greenland into the Miramichi River, New Brunswick in Canada. North Pacific: Bering Sea to Cape Olyutorski, the Pribilof Islands, and Bristol Bay.

Range

87°N - 52°N, 180°W - 180°E

Environment

Climate

Polar

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

400 m

Zone

demersal

Environment

Marine; brackish; demersal; oceanodromous (Ref. 51243); depth range 0 - 400 m (Ref. 1371)

Trophic Level

3.101191 s.e. 0.29 Based on diet studies.

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

40.0 cm

Common Length

25.0 cm

Phylogenetic Diversity Index

PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: highly commercial

Vulnerability

Moderate to high vulnerability (45 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.22; tm=2-5; Fec=30,000)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated