分类 / Names
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Teleostei >
Cypriniformes (Carps) >
Catostomidae (Suckers) > Catostominae
Etymology: Catostomus: Greek, kata = down + Greek, stoma = mouth (Ref. 45335).
More on author: Cope.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 溫帶; 54°N - 38°N
North America: Canada and USA from Saskatchewan River system and Fraser River drainage south through upper Missouri and Colorado River drainages to Colorado and Utah; Lahontan basin in the USA; upper Sacramento River system in California and through Oregon and Washington to southern British Columbia.
北美洲: 加拿大與美國從薩斯卡萬河流域與菲沙河流域南至密蘇里上游與科羅拉多河流域到科羅拉多與猶他州; 在美國的拉昂坦湖流域; 加州聖克里門托河流域上游與經過奧勒岡州與華盛頓到卑詩省南部。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm ?, range 11 - ? cm
Max length : 25.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 11.3 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 9 年 (Ref. 12193)
Occurs in various habitats, but most common in rocky riffles and runs of clear mountain creeks and small to medium rivers. Rarely found in lakes (Ref. 1998). Feeds on diatoms, other algae, higher plants, dipterous larvae and pupae (Ref. 1998). Spawning adults may be preyed upon by birds and mammals while small individuals may be preyed upon by stream salmonids (Ref. 1998). Edible.
出现于各种不同的栖息地, 但是常见于清澈山小溪及小型到中型河川的岩石的急流与小支流。 很少发现于湖了。 (参考文献 1998) 吃硅藻，其他的藻类，较高等的植物，双翅目昆虫幼生与蛹。 (参考文献 1998) 当小的个体可能是被水流鲑鱼捕食的时候，产卵的成鱼可能是被鸟与哺乳动物捕食。 (参考文献 1998) 可食用的。
北美洲: 加拿大與美國從薩斯卡萬河流域與菲沙河流域南至密蘇里上游與科羅拉多河流域到科羅拉多與猶他州; 在美國的拉昂坦湖流域; 加州聖克里門托河流域上游與經過奧勒岡州與華盛頓到卑詩省南部。
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)
人类利用
诱饵: usually
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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=0.00631 (0.00316 - 0.01259), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 2.3 ±0.18 se; based on food items.
Generation time: 3.9 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (tm=2-5).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
