Pollack (Pollachius pollachius) fish species and information / pictures of Pollack - Pollachius pollachius

Pollack (Pollachius pollachius) fish species information

Scientific Name
Pollachius pollachius

Common Name
Pollack

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 29-33; Anal soft rays: 27 - 30; Vertebrae: 52 - 55. Lower jaw distinctly projecting beyond upper ones. Lateral line continuous over whole body. No dark spot at pectoral fin base. Dorsal and anal fin interspaces short. Sensory canals with large pores on head. Body color is variable; dark dorsally, sharply distinguished from silver-gray sides and belly; the upper part of the body with yellow to orange streaks or blotches; the lateral line greenish. The fins uniformly dark except for the pelvic fins which are yellowish.

Classification

Classified By

Linnaeus, 1758

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Cods and haddocks (Gadidae)

Distribution

Region

Northeast Atlantic

Distribution

Northeast Atlantic: Norway, the Faeroes, and Iceland to the Bay of Biscay. Reported from Estonia (Ref. 33247).

Range

72°N - 36°N, 25°W - 28°E

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

200 m

Zone

benthopelagic

Environment

Marine; benthopelagic; oceanodromous (Ref. 51243); depth range ? - 200 m (Ref. 6302), usually 40 - 100 m (Ref. 54707)

Trophic Level

4.15 s.e. 0.72 Based on diet studies.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

130 cm

Common Length

75.0 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; gamefish: yes; aquarium: public aquariums

Vulnerability

High vulnerability (59 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.19; tmax=8)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated