Scientific Name
Trichodon trichodon

Common Name
Pacific sandfish

Biology
Dorsal spines (total): 9 - 16; Dorsal soft rays (total): 18-20; Anal spines: 1; Anal soft rays: 28 - 29. Caudal moderately forked (Ref. 6885). Light brown on dorsal surface, silvery ventrally, dark along midside, mid-dorsal line in irregular patches, and lateral line; spinous dorsal with dark streaks paralleling free edge; upper parts of pectorals and caudal with darkened edges, and vague dark blotches on rayed dorsal; anal, pelvic fins, and lower parts of pectorals light (Ref. 6885).

Classification

Classified By

Tilesius, 1813

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Sandfishes (Trichodontidae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: Kamchatka (Ref. 27436) and the Commander Islands, Russia. Northeast Pacific: Aleutian Islands to Nunivak Island, Alaska and San Francisco, California, USA.

Range

66°N - 38°N

Environment

Climate

Boreal

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

375 m

Zone

demersal

Environment

Marine; demersal; depth range 0 - 375 m (Ref. 50610)

Trophic Level

3.6603 s.e. 0.57 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

30.5 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 1.2500 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

Low to moderate vulnerability (25 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Fec = 1,000)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated