Scientific Name
Bathyagonus infraspinatus

Common Name
Spinycheek starsnout

Biology
Dorsal spines (total): 5 - 8; Dorsal soft rays (total): 5-7; Anal spines: 0; Anal soft rays: 6 - 8. Dorsal fins rather small and well separated; caudal rounded; anal originating below posterior part of first dorsal; lower rays of pectorals longer and incompletely joined by membrane; pelvic fins reduced (Ref. 6885). Dorsal surface light olive green to light brown, paler beneath; 5 or 6 dark saddle markings across back and sides; dark bars on dorsal, caudal, and pectoral fins; pelvic and anal fins light (Ref. 6885).

Classification

Classified By

Gilbert, 1904

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Poachers (Agonidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: Bering Sea coast of Alaska to Eureka, northern California, USA.

Range

62°N - 41°N, 175°W - 121°W

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

18 m

Depth To - meters

183 m

Zone

demersal

Environment

Marine; demersal; depth range 18 - 183 m (Ref. 2850)

Trophic Level

3.18 s.e. 0.35 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

12.0 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

Low vulnerability (24 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