Scientific Name
Sebastes wilsoni

Common Name
Pygmy rockfish

Biology
Dorsal spines (total): 13; Dorsal soft rays (total): 13-14; Anal spines: 3; Anal soft rays: 6 - 7. Head spines strong - nasal, preocular, postocular, tympanic and parietal spines present, supraocular, coronal, and nuchal spines absent (Ref. 27437). Caudal truncate or slightly rounded (Ref. 6885). Light brown tinged in red, distinctly lighter below; 4 dark blotches along base of dorsal fin, dark pigment extends from back onto fin, may be vague; brownish red stripe on lateral line (Ref. 27437).

Classification

Classified By

Gilbert, 1915

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Rockfishes, rockcods and thornyheads (Sebastidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: northern Gulf of Alaska to Baja California, Mexico.

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

30 m

Depth To - meters

274 m

Zone

demersal

Environment

Marine; demersal; depth range 30 - 274 m (Ref. 2850)

Trophic Level

3.52 s.e. 0.54 Based on size and trophs of closest relatives

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

23.0 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: of no interest

Vulnerability

High vulnerability (61 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (tmax=26)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated