Scientific Name
Psychrolutes paradoxus

Common Name
Tadpole sculpin

Biology
Dorsal spines (total): 10 - 12; Dorsal soft rays (total): 12-17; Anal spines: 0; Anal soft rays: 12 - 14. Caudal fin rounded.

Classification

Classified By

G?nther, 1861

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Fatheads (Psychrolutidae)

Distribution

Region

North Pacific

Distribution

North Pacific: Sea of Okhotsk and the Sea of Japan (Ref. 559) to the Bering Sea and southern Puget Sound, Washington, USA.

Range

66°N - 46°N

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

1100 m

Zone

demersal

Environment

Marine; demersal; depth range 0 - 1100 m (Ref. 50550)

Trophic Level

3.17 s.e. 0.44 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

7.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5005 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries:

Vulnerability

Low vulnerability (21 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated