分类 / Names
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Teleostei >
Perciformes/Cottoidei (Sculpins) >
Agonidae (Poachers) > Bothragoninae
Etymology: Bothragonus: Greek, bostrykos = cure of lack of hair + Greek, gono = birth (Ref. 45335); swanii: Named after James G. Swan of Port Townsend, Washington (Ref. 6885).
More on author: Steindachner.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 0 - 18 m (Ref. 2850). 溫帶; 60°N - 35°N, 155°W - 121°W
Eastern Pacific: Kodiak Island, Alaska to Carmel Bay, Monterey County, California, USA (southernmost range confirmed by J.R. Wolfe, pers. comm. 09/02).
東太平洋: 科迪亞克熊島，阿拉斯加到卡梅爾海灣，蒙德勒縣, 美國加州 (最南的範圍藉著 J.R. 再確認了 沃爾夫， pers. comm。 09/02).
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 8.9 cm TL 雄鱼/尚未辨别雌雄; (Ref. 2850)
背棘 (总数): 2 - 5; 背的软条 (总数): 4-5; 臀棘 0; 臀鳍软条: 4 - 5; 脊椎骨: 32. Dorsal fins small; caudal fin rounded; pectoral fins large, supported well out from sides of body; pelvic fins very narrow and rays appear fused (Ref. 6885). Color very variable, depending on background; brown with dark bars, orange with bluish bars, or scarlet with brown bars (Ref. 6885).
背鳍小的; 尾鳍圆的; 胸鳍大的, 支撑得好远离身体侧边; 腹鳍非常狭窄的与鳍条显得融合的.(参考文献 6885) 颜色非常可变的, 依据背景而定; 褐色的有深色的横带, 橘色的具有蓝色的横带, 否则鲜红色的有褐色横带.(参考文献 6885)
Inhabits intertidal areas and to 18 m depth (Ref. 2850). Frequently caught in tide pools (Ref. 28197). Its food consists mainly of tiny crustaceans (shrimp and crab-like creatures) which are picked from the bottom or very close to it (Ref. 4930). Demersal spawner in nearshore habitats (Ref. 56049).
栖息于潮间带的区域与对 18 公尺深.(参考文献 2850) 时常在潮池捕获了。 (参考文献 28197) 它的食物主要地极小甲壳动物 (虾与像螃蟹一样的生物) 组成那是从底部或接近底部之处啄食.(参考文献 4930) 在近岸水域的栖息地的底栖产卵鱼.(参考文献 56049)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Demersal spawners.東太平洋: 科迪亞克熊島，阿拉斯加到卡梅爾海灣，蒙德勒縣, 美國加州 (最南的範圍藉著 J.R. 再確認了 沃爾夫， pers. comm。 09/02).
Kanayama, T., 1991. Taxonomy and phylogeny of the family Agonidae (Pisces: Scorpaenifomes). Mem. Fac. Fish. Hokkaido Univ. (38)1-2:1-199. (Ref. 28197)
人类利用
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Estimates based on models
Preferred temperature (Ref.
123201): 8.4 - 12.8, mean 9.8 °C (based on 177 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.6 ±0.59 se; based on food items.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
