分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Cottoidei (Sculpins) >
Agonidae (Poachers) > Brachyopsinae
Eponymy: Cygnus G Chesnon (dates unknown) published a rare book on the natural history of Normandy, France (1835), in which he proposed the name Occa (now = Somateria) for a genus of eider ducks. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 18 - 425 m (Ref. 6793).
Northeast Pacific: Bristol Bay, Alaska to Unimak Island in the Aleutian chain and Point Montara, California, USA (Ref. 6793); extended to southeastern Bering Sea (Ref. 51659).
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 20.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 2850)
背棘 (总数) : 8 - 9; 背的软条 (总数) : 6 - 9; 臀棘: 0; 臀鳍软条: 10 - 12; 脊椎骨: 35 - 37. Dorsal fins touching or nearly so; caudal rounded; anal long based and rather low; pectorals broad, lower 4 to 6 rays thickened and not joined by membrane as far as their ends; pelvic fins reduced (in males, long pelvic fins reaching as far as the origin of the anal fin) (Ref. 6885). Dark gray or brown on upper surface, paler beneath, the line of demarcation very clear on head; some individuals with 6 or more dark saddle-shaped markings over back and extending on sides; dorsal fins with dark bands following free margins on fins; longitudinal dark coloring follows rays of caudal fin, especially at distal ends; rows of dark spots on rays of pectorals, and a bright orange spot in its center; dark spots on eyeballs more abundant on upper part (Ref. 6885).
Found on soft bottoms (Ref. 2850).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
人类利用
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特别资料
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Estimates based on models
Preferred temperature (Ref.
123201): 2.9 - 8.6, mean 5.3 °C (based on 283 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
