Scientific Name
Icelinus filamentosus

Common Name
Threadfin sculpin

Biology
Dorsal spines (total): 9 - 11; Dorsal soft rays (total): 15-18; Anal spines: 0; Anal soft rays: 13 - 15. Caudal fin fanned out, bluntly rounded; pelvic fins small, extending about one-third distance to anal origin (Ref. 6885). Color olive green to light brown on dorsal surface, creamy yellow to light brown on ventral surface, 4 dark saddles across back, bars of dark blotches on all fins except pelvic and anal fins; sometimes dusky along margin of anal fin; males sometimes variously blotched with orange to red; silvery areas anterior to and behind base of pectorals (Ref. 6885).

Classification

Classified By

Gilbert, 1890

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Sculpins (Cottidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: Chirikof Island in the western Gulf of Alaska to Point Loma and Cortez Bank, southern California, USA.

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

18 m

Depth To - meters

800 m

Zone

demersal

Environment

Marine; demersal; depth range 18 - 800 m (Ref. 6793)

Trophic Level

3.45 s.e. 0.56 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

27.0 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

Unknown

Vulnerability

Moderate to high vulnerability (45 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)