Description

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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).

Common Names

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Olriks Krokodilleulk , Danish , Denmark

Olriks panserulk , Danish , Denmark

Arctic alligatorfish , English , Canada

Arctic alligatorfish , English , UK

Arctic alligatorfish , English , USA

Arctic alligatorfish , English , Alaska

Ultsiin , Estonian , Estonia

Poisson-alligator arctique , French , Canada

北极单鳍八角鱼 , Mandarin Chinese , China

北极胶八角鱼 , Mandarin Chinese , China

北極單鰭八角魚 , Mandarin Chinese , China

北極膠八角魚 , Mandarin Chinese , China

Arktisk panserulke , Norwegian , Norway

Ultsina , Russian , Russia

ледовитоморская лисичка , Russian , Russia

Taxonomic Hierarchy

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Kingdom: Animalia

Phylum: Chordata

Class: Teleostei

Order: Perciformes/Cottoidei

Family: Agonidae

Genus: Aspidophoroides

Species: Aspidophoroides olrikii Lütken, 1877

Climate Zone

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demersal

Location

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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).

Biology

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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).

Habitat

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brackish