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Author: Knipowitsch, 1907

Artediellus scaber Knipowitsch, 1907

Diagnosis: head and back with dermal knobs; occipital protuberances slightly developed; barbels on dermal knobs before dorsal fins, on occipital protuberances, on upper part of eyes, on preoperculum and on upper jaw; nasal spine always absent; chin pore single. D VII-IX + 12-14; A 10-13; P 18-23. Lateral line pores 21-31; sub-orbital sensory canal with second pair of pores. Colour: head greyish-brown above, body lighter, with large, irregular dark spots forming crossbands; stripes on all fins orange, pectoral tips white; oval black spot on hind part of spinous dorsal fin in males. Size: to 8.4 cm, usually 4-8 cm.

Habitat: benthic on sand-mud bottoms, mostly in brackish waters, at O-50 m (occasionally to 100 m), with bottom temperatures mostly near , to or below O °C and salinities of 10-15ä. Food: small bottom invertebrates. Reproduction: probably August-September; eggs demersal, about 80, diameter about 2.7 mm.

Distribution: extreme north-eastern part of Clofnam area (south-eastern part of Barents Sea, off Novaya Zemlya). Elsewhere, eastwards from Kara Sea to northern part of Bering Sea, Arctic coast of Canada (McAllister, 1990).

Eggs, larvae and young stages. Andriashev, 1954: 410.
Otoliths (sagitta). No data.

Hamecon (Artediellus scaber)