Scientific Name
Sebastes entomelas

Common Name
Widow rockfish

Biology
A generally active and free-swimming rockfish found in midwater above a rocky reef or steep shoreline; occasionally huddling motionless among caves and crevices (Ref. 27436). Young are found in shallow water (Ref. 2850). Form schools (Ref. 2850). Feed mostly on small pelagic crustaceans and fishes (Ref. 2850). Viviparous (Ref. 34817). Marketed fresh and frozen; eaten pan-fried, boiled, microwaved and baked (Ref. 9988).

Classification

Classified By

Jordan & Gilbert, 1880

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Rockfishes, rockcods and thornyheads (Sebastidae)

Distribution

Region

Northeast Pacific

Distribution

Northeast Pacific: middle Albatross Bank in the Gulf of Alaska to Todos Santos Bay, Baja California, Mexico.

Range

60°N - 32°N

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

549 m

Zone

pelagic-neritic

Environment

Marine; pelagic-neritic; depth range 0 - 549 m (Ref. 27437)

Trophic Level

3.68 s.e. 0.56 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

60.0 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: commercial; gamefish: yes; aquarium: commercial

Vulnerability

High vulnerability (65 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (tm=6; tmax=60; also Musick et al. 2000 (Ref. 36717))

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated