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Western Atlantic: Nunavut, Hudson Bay to James Bay and Labrador in Canada to New Jersey in USA; rarely to Chesapeake Bay in USA and Bermuda. Eastern Atlantic: Barents Sea, Iceland and Greenland to Spain (Ref. 4701).
サイズ / 重さ / 年齢
成熟: Lm? range ? - ? cm Max length : 61.0 cm TL オス/雌雄の選別がない; (Ref. 58426); 42.9 cm SL (female); 最大公表体重: 9.5 kg (Ref. 4701); 最大公表体重: 9.5 kg; 最大記録サイズ: 13 年 (Ref. 54207)
背面の脊椎 (合計) : 5 - 9; 背鰭 (合計) : 9 - 11; 肛門の骨: 0; 臀鰭: 9 - 10; 脊つい: 28 - 29. First dorsal fin present but covered by thick layer of skin forming a characteristic high crest with embedded spines. Bony tubercles present, arranged in 3 widely separated rows of large flattened tubercles on each side of body. Gill openings large, extend- extending below level of upper pectoral fin ray. Pyloric present 36-79. Ventral sucking disc formed by the modified pelvic fin (Ref. 232). Body shape (shape guide): short and / or deep; Cross section: angular.
Basically solitary rather than a schooling fish. They exhibit a homing instinct (Ref. 9737). Adults inhabit rocky bottoms but may occur among floating seaweed. They migrate considerable distances in an annual cycle between deeper waters in winter and shallower waters in summer (Ref. 26141). Maximum depth reported at 868 m (Ref. 58426). Epibenthic-pelagic (Ref. 58426). Juveniles are found among algal clumps in bays and fjords moving offshore as they mature (Ref. 96431). During the spawning season the males become reddish in color on the underside, whereas females turn blue-green. Adults feed on ctenophores, medusas, small crustaceans, polychaetes, jelly fish and small fishes. Valued for their eggs, which make an inexpensive caviar (Ref. 9988). Eaten in Nordic countries, marketed fresh or smoked. Male flesh is most demanded and roe is sold fresh (Ref. 35388).
Stein, D.L., 1986. Cyclopteridae. p. 1269-1274. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the North-eastern Atlantic and the Mediterranean. UNESCO, Paris. Vol. III. (Ref. 4701)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
好ましい温度 (参照 123201): 0.6 - 11.4, mean 7.1 °C (based on 732 cells).
系統多様性指数 (参照 82804): PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02630 (0.01101 - 0.06285), b=2.99 (2.77 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (参照 69278): 3.9 ±0.0 se; based on diet studies.
