分類 / 名前
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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Chauliodontinae
Etymology: Chauliodus: Greek, chaulios, chaulos, chaunos = to be with the mouth opened + Greek, odous = teeth (Ref. 45335); macouni: Named after Prof. J.C. Macoun, Geological Survey of Canada, a resolute pioneer of western Canada (Ref. 6885).
Eponymy: John C Macoun (1831–1920) was a self-taught botanist who emigrated from Northern ireland to Canada (1850). [...] (Ref. 128868), visit book page.
More on author: Bean.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 深海浮遊性; 海洋回遊性 (Ref. 138310); 深さの範囲 25 - 4390 m (Ref. 5610). Deep-water; 66°N - 23°N, 127°E - 106°W
Northwest Pacific: Navarin Canyon in the Bering Sea to Japan. Eastern Pacific: Gulf of Alaska to central Baja California (Ref. 35898) and the Gulf of California.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 29.3 cm TL オス/雌雄の選別がない; (Ref. 80637); 最大公表体重: 23.35 g (Ref. 4525); 最大記録サイズ: 8 年 (Ref. 28499)
背面の脊椎 (合計) : 0; 背鰭 (合計) : 5 - 7; 肛門の骨: 0; 臀鰭: 9 - 14; 脊つい: 56 - 62. First dorsal fin ray much produced in a long filament terminating in a minute flap; adipose fin large, placed well back over posterior part of anal, higher posteriorly; pelvic fins long and narrow (Ref. 6885). No true gill rakers (Ref. 6885). Dark brown to black in color (Ref. 6885). Branchiostegal rays: 16-21 (Ref. 35898).
Body shape (shape guide): elongated.
Migrate upward at night (Ref. 28499). Adults feed on small planktonic crustaceans, arrow worms and fish (Ref. 28499). Photophores occur on belly arranged in a row (Ref. 2850). Oviparous, with planktonic eggs and larvae (Ref. 35898). Also caught with bottom trawls.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: 食糧水産
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
好ましい温度 (参照
123201): 0.2 - 3.8, mean 2.4 °C (based on 409 cells).
系統多様性指数 (参照
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00204 (0.00119 - 0.00351), b=3.16 (3.00 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
栄養段階 (参照
69278): 4.5 ±0.4 se; based on diet studies.
Generation time: 3.1 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (参照
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (K=0.35; tmax=8).
漁業の脆弱性 (Ref.
59153): Low to moderate vulnerability (32 of 100).
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