Scientific Name
Bathyagonus pentacanthus

Common Name
Bigeye poacher

Biology
Dorsal spines (total): 5 - 8; Dorsal soft rays (total): 6-7; Anal spines: 0; Anal soft rays: 6 - 8. Dorsal fins moderately developed and placed fairly close together; caudal rounded; anal originating below interspace between dorsal fin, closer to first; lower 4 or 5 rays of pectorals greatly exserted and thickened; pelvic fins reduced (Ref. 6885). Olive brown on dorsal surface, paler below; 5 or 6 dark brown saddle-like markings on back and sides; dark brown to dusky on dorsal, caudal and pectoral fins; pelvic and anal fins pale (Ref. 6885).

Classification

Classified By

Gilbert, 1890

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Poachers (Agonidae)

Distribution

Region

North Pacific

Distribution

North Pacific: Gulf of Alaska to southern California, USA. Evermann and Goldsborough 1907 (Ref. 11366) erroneously recorded Bathyagonus pentacanthus from the Bering Sea.

Range

61°N - 31°N, 165°W - 115°W

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

110 m

Depth To - meters

910 m

Zone

demersal

Environment

Marine; demersal; depth range 110 - 910 m (Ref. 28197)

Trophic Level

3.24 s.e. 0.36 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

23.0 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 to moderate vulnerability (33 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated