Scientific Name
Malacocottus zonurus

Common Name
Darkfin sculpin

Biology
Dorsal spines (total): 8; Dorsal soft rays (total): 14-15; Anal spines: 0; Anal soft rays: 10 - 11

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: northern Japan (Ref. 559), Sea of Okhotsk and Cape Navarin in the western Bering Sea to Agattu Island in the Aleutian chain and Washington, USA.

Range

66°N - 46°N

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

27 m

Depth To - meters

1980 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 27 - 1980 m (Ref. 50550)

Trophic Level

3.2 s.e. 0.40 Based on food items.

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

35.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5625 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

High vulnerability (60 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (tmax=12)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated