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) > Bathyagoninae
Etymology: Bathyagonus: Greek, bathys = deep + Greek, gonos, gone = birth (Ref. 45335); alascanus: Named after the type locality, Alaska (Ref. 6885).
More on author: Gilbert.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 18 - 252 m (Ref. 2850). 溫帶; 62°N - 42°N, 178°W - 120°W (Ref. 57303)
Eastern Pacific: Bering Sea coast of Alaska to the Oregon-California border, USA.
東太平洋: 阿拉斯加到的白令海海岸奧勒岡州-加州的邊緣，美國。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 13.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2850)
背棘 (總數) : 5 - 8; 背的軟條 (總數) : 5 - 7; 臀棘: 0; 臀鰭軟條: 6 - 8. Dorsal fins moderately developed and placed fairly close together; caudal rounded; anal fin originating about halfway below interspace between dorsal fins; pectoral fins with lower 5 0r 6 rays extending well beyond membrane; pelvic fins reduced (Ref. 6885). Greenish gray to light brown on dorsal surface, very light brown on ventral surface; 5 or 6 dark brown saddle-like markings across back and on sides; dark brown bars on dorsal and caudal fins; paired fins light (Ref. 6885).
背鰭適度發展的而且放置相當靠攏在一起; 尾鰭圓的; 起點大約在臀鰭下面中點上的在背鰭之間的間隔; 胸鰭有低的 50 r 6個延伸的鰭條越過薄膜; 腹鰭縮小的。 (參考文獻 6885) 灰綠色到淡褐色在背面上, 在腹面上的最淡褐色; 橫過背面的 5 或 6個深褐色的像鞍狀斑一樣的斑紋與在側邊上; 在背鰭與尾鰭鰭上的深褐色的橫帶; 偶鰭淡色的.(參考文獻 6885)
Inhabits rocky areas (Ref. 2850).
棲息於岩石區。 (參考文獻 2850)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
東太平洋: 阿拉斯加到的白令海海岸奧勒岡州-加州的邊緣，美國。
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)
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Estimates based on models
Preferred temperature (Ref.
123201): 3.2 - 7.9, mean 4.9 °C (based on 215 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [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).
營養階層 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
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).
