分類 / Names
共通名の | 類義語 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
; 海 底生の漂泳性; 海洋回遊性 (Ref. 51243); 深さの範囲 0 - 868 m (Ref. 58496), usually 50 - 150 m (Ref. 4701). Polar; 80°N - 32°N, 95°W - 49°E
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
Maturity: 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).
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).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Eggs are laid in large numbers on stony bottoms (Ref. 9900). Male guards egg-mass aggressively.
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)
CITES (Ref. 118484)
水産業: 高い商業の; 餌: usually
Estimates based on models
Preferred temperature (Ref. 115969
): 0.6 - 11.4, mean 7.1 (based on 732 cells).
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03090 (0.01192 - 0.08009), 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 (Ref. 69278
): 3.9 ±0.0 se; Based on diet studies.
回復力 (Ref. 120179
): 低い, ４．５年～１４年の倍増期間の最小個体群 (K=0.12; tm=3-5; tmax=13; Fec=100,000).
Prior r = 0.17, 95% CL = 0.10 - 0.27, Based on 1 stock assessment.
弱み (Ref. 59153
): Moderate to high vulnerability (47 of 100) .