分类 / 名称
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.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋 居于水底的; 深度上下限 18 - 425 m (Ref. 6793). 温带
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).
东北太平洋: 布里斯多海湾, 在 Aleutian 的阿拉斯加到 Unimak 岛用铁链锁住并且指出 Montara ，美国加州;(参考文献 6793) 对东南方的白令海延伸。 (参考文献 51659)
大小 / 重量 / 年龄
成熟度: 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).
Body shape (shape guide): elongated.
背鳍碰触或很接近; 尾鳍圆的; 臀鳍基底很长与相当低; 胸鳍宽的, 低的 4 到 6个鳍条粗的而不是远达被薄膜连结他们的末端了; 腹鳍缩小的 (在雄性中，长的腹鳍达到远达臀鳍起点) 。 (参考文献 6885) 深灰色或在上表皮上的褐色, 下面灰白的, 分界线非常清澈的在头部上; 一些个体 6 或更多在背面上的黑色鞍状的斑纹而且在侧边上延伸; 背鳍具有在鳍上跟随分离的边缘的深色条纹; 纵向的深色颜色跟随尾鳍的鳍条, 尤其在末梢部; 在胸鳍的鳍条上的列的深色斑点 , 与它的中心的一个鲜橘色的斑点; 在眼球上的深色的斑点更丰富的在上半部上.(参考文献 6885)
Found on soft bottoms (Ref. 2850).
栖息于软质底部了。 (参考文献 2850)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
东北太平洋: 布里斯多海湾, 在 Aleutian 的阿拉斯加到 Unimak 岛用铁链锁住并且指出 Montara ，美国加州;(参考文献 6793) 对东南方的白令海延伸。 (参考文献 51659)
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 2025-2 (Global))
人类利用
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特别资料
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网络资源
基于模型的估算
首选温度 (参考文献
123201): 2.9 - 8.6, mean 5.3 °C (based on 283 cells).
系统发育多样性指数 (参考文献
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 (参考文献
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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