Scientific Name
Sebastes alutus

Common Name
Pacific ocean perch

Biology
Abundant in offshore waters (Ref. 2850). Young pelagic up to age 3 (Ref. 6885). Grows slowly (Ref. 2850). Viviparous (Ref. 34817). Very important commercial rockfish in the North Pacific (Ref. 2850, 27437). Marketed as fillets (Ref. 2850). Utilized fresh and frozen; eaten fried, microwaved and baked (Ref. 9988).

Classification

Classified By

Gilbert, 1890

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Rockfishes, rockcods and thornyheads (Sebastidae)

Distribution

Region

North Pacific

Distribution

North Pacific: Honshu, Japan to Cape Navarin in the Bering Sea (but not in the Sea of Okhotsk) and La Jolla, California, and along the Aleutians from Stalemate Bank and Bowers Bank to the Alaska Peninsula. Stocks have suffered severe population decline due to over overfishing (Ref. 27437).

Range

64°N - 24°N, 143°E - 110°W

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

825 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 0 - 825 m (Ref. 6793), usually 165 - 293 m (Ref. 27437)

Trophic Level

3.5 s.e. 0.55 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

False

Physical Size and Genetics

Maximum Length

53.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: highly commercial; gamefish: yes

Vulnerability

High vulnerability (60 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (Musick et al. 2000 (Ref. 36717))

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated