Scientific Name
Dasycottus setiger

Common Name
Spinyhead sculpin

Biology
Dorsal spines (total): 9 - 10; Dorsal soft rays (total): 13-15; Anal spines: 0; Anal soft rays: 13 - 14. Caudal slightly rounded. Pectorals with large base carried forward. Pelvic fins small.

Classification

Classified By

Bean, 1890

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Fatheads (Psychrolutidae)

Distribution

Region

North Pacific

Distribution

North Pacific: Sea of Japan off Honshu, Japan to Navarin Canyon in the Bering Sea, west to Attu Island in the Aleutian chain and southeast to Washington, USA.

Range

66°N - 46°N

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

15 m

Depth To - meters

850 m

Zone

demersal

Environment

Marine; demersal; depth range 15 - 850 m (Ref. 50550)

Trophic Level

3.54 s.e. 0.51 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

45.0 cm

Common Length

Unknown 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

Gamefish: yes

Vulnerability

Moderate to high vulnerability (46 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (tmax=11)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated