Ulcina olrikii (Lütken, 1877)

Arctic alligatorfish

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Scorpaeniformes \| Agonidae \| Anoplagoninae
Synonyms	Aspidophoroides olrikii, Aspidophoroides guentherii, Aspidophoroides güntherii, ... more
Common names	Poisson-alligator arctique, 北极单鳍八角鱼, 北极胶八角鱼, ... more

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Image of Ulcina olrikii (Arctic alligatorfish)

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This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

Andriashev, A.P. 1986. (Ref. 4700)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 8.6 cm TL male/unsexed; (Ref. 4700)

Environment

Demersal; brackish; marine; depth range 7 - 520 m (Ref. 58496)

Climate / Range

Polar; 83°N - 51°N

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).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

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).

Found on sand and mud bottoms, at temperatures mostly below 0°C, rarely to 2-3°C or more and salinities of 33-35 ppt (Ref. 4700). Benthic (Ref. 58426). Minimum depth reported at 7m (Ref. 5951). Feeds on small amphipods, ostracods and nemertine worms (Ref. 4700).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=2-4;Fec<2000)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (19 of 100)	Not marketed/unknown

Entered by Froese, Rainer

Modified by Kesner-Reyes, Kathleen

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Page last modified by : elaxamana, 15 July 2009

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