Common names from other countries
分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Cottoidei (Sculpins) >
Cottidae (Sculpins)
Etymology: Cottus: Greek, kottos = a fish (Ref. 45335); rhotheus: rhotheus -- rushing of the torrent, referring to habitat (Ref. 1998).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 溫帶; 52°N - 42°N
North America: upper Fraser River drainage in British Columbia in Canada to Nehalem River in Oregon, USA (including Columbia River drainage of British Columbia in Canada, and Washington, Idaho, Montana and Oregon in the USA).
北美洲: 到在美國的奧勒岡州 (加拿大的英屬哥倫比亞的包括哥倫比亞河流域 , 與在美國的華盛頓,愛達荷,蒙大納與奧勒岡州) 中的 Nehalem 河的在加拿大的英屬哥倫比亞中的菲沙河流域上游.
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 15.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 1998); common length : 6.8 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 7 - 9; 背的软条 (总数) : 15 - 18; 臀鳍软条: 11 - 14.
Inhabits rubble and gravel riffles of rivers and rocky lake shores. Individuals up to 5 cm feed on planktonic crustaceans and aquatic insect larvae especially that of midges and mayflies (Ref. 1998). Larger sculpins feed on minnows and other fishes (Ref. 1998). Possibly spawns in June (Ref. 1998).
栖息于河与岩石的湖岸瓦砾与碎石激流。 个体向上到 5 公分吃浮游性甲壳动物与水生的昆虫幼生特别是蚊与孚游类。 (参考文献 1998) 较大的杜父鱼科的河鱼吃条鱼类与其他的鱼。 (参考文献 1998) 在六月可能地产卵。 (参考文献 1998)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
北美洲: 到在美國的奧勒岡州 (加拿大的英屬哥倫比亞的包括哥倫比亞河流域 , 與在美國的華盛頓,愛達荷,蒙大納與奧勒岡州) 中的 Nehalem 河的在加拿大的英屬哥倫比亞中的菲沙河流域上游.
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
CITES (Ref. 128078)
Not Evaluated
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.45 se; based on food items.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Fec=448).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).