Scientific Name
Aspidophoroides bartoni

Common Name
Aleutian alligatorfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 5-6; Anal spines: 0; Anal soft rays: 4 - 6. Snout round, with a rostral plate on its anterior tip. A sharp nasal spine is present. Branchial membranes free from isthmus.

Classification

Classified By

Gilbert, 1896

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Poachers (Agonidae)

Distribution

Region

North Pacific

Distribution

North Pacific: Arctic to the Sea of Okhotsk and northern Sea of Japan and to Amchitka Island in the Aleutian chain and North Albatross Bank, Kodiak Island, Alaska.

Range

62°N - 49°N, 158°E - 144°W

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

- 10 °C

Depth From - meters

0 m

Depth To - meters

500 m

Zone

demersal

Environment

Marine; demersal; depth range 0 - 500 m (Ref. 50550), usually 60 - 150 m (Ref. 56557)

Trophic Level

3.28 s.e. 0.52 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

22.0 cm

Common Length

14.2 cm

Phylogenetic Diversity Index

PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries:

Vulnerability

Low to moderate vulnerability (32 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