Scientific Name
Ulcina olrikii

Common Name
Arctic alligatorfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 5-7; Anal spines: 0; Anal soft rays: 5 - 7. Caudal fin rounded. Upper parts brownish-grey, with a few dark spots or bands, lower parts light (Ref. 4700).

Classification

Classified By

L?tken, 1877

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Poachers (Agonidae)

Distribution

Region

Arctic to Northwest Atlantic and Northwest to Northeast Pacific

Distribution

Arctic to Northwest Atlantic and Northwest to Northeast Pacific: Hudson Bay and Labrador in Canada and Greenland. Also in the Barents Sea, Kara Sea, White Sea and Siberia (Ref. 4700); Chukchi Sea, Bering Strait, Bering Sea and Anadyr Gulf (Ref. 6876).

Range

83°N - 51°N

Environment

Climate

Polar

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

7 m

Depth To - meters

520 m

Zone

demersal

Environment

Marine; brackish; demersal; depth range 7 - 520 m (Ref. 58496)

Trophic Level

3.25 s.e. 0.47 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

8.6 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (19 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=2-4;Fec

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated