分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Cottoidei (Sculpins)
鮋形目 (Sculpins) >
Agonidae (Poachers)
八角魚科 (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
生態學
海洋 居於水底的; 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 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 8.9 cm TL 雄魚/尚未辨別雌雄; (Ref. 2850)
背棘 (總數): 2 - 5; 背的軟條 (總數): 4-5; 臀棘 0; 臀鰭軟條: 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).
背鰭小的; 尾鰭圓的; 胸鰭大的, 支撐得好遠離身體側邊; 腹鰭非常狹窄的與鰭條顯得融合的.(參考文獻 6885) 顏色非常可變的, 依據背景而定; 褐色的有深色的橫帶, 橘色的具有藍色的橫帶, 否則鮮紅色的有褐色橫帶.(參考文獻 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).
棲息於潮間帶的區域與對 18 公尺深.(參考文獻 2850) 時常在潮池捕獲了。 (參考文獻 28197) 它的食物主要地極小甲殼動物 (蝦與像螃蟹一樣的生物) 組成那是從底部或接近底部之處啄食.(參考文獻 4930)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
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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).
營養階層 (Ref.
69278): 3.6 ±0.59 se; based on food items.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
