分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps)
鯉形目 (Carps) >
Catostomidae (Suckers)
亞口魚科 (Suckers) > Catostominae
Etymology: Catostomus: Greek, kata = down + Greek, stoma = mouth (Ref. 45335).
More on author: Cope.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 溫帶; 44°N - 35°N
North America: Snake River system (Columbia River drainage), Wyoming, and Idaho; Lake Bonneville basin, Idaho, Wyoming and Utah; south through upper Colorado river drainage (Grand Canyon and above), Wyoming, Colorado, Utah, New Mexico and Arizona in the USA. Two subspecies were recognized: Catostomus discobolus discobolus and Catostomus discobolus jarrovii.
北美洲: 在美國懷俄明州與愛達荷州的蛇河流域; 在愛達荷，懷俄明州與美國猶他州的巴那維利湖流域;
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 41.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 86798)
Blue head (darkest on adult; no blue in Little Colorado River, Arizona population), slender caudal peduncle, predorsal scales usually 50 or more, and 78-122 scales on lateral line (Ref. 86798).
Inhabits rocky riffles and runs of small to large rivers (Ref. 5723, 86798).
成魚棲息於小型到大型河川的岩石的急流與小支流。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北美洲: 在美國懷俄明州與愛達荷州的蛇河流域; 在愛達荷，懷俄明州與美國猶他州的巴那維利湖流域;
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 26 October 2011
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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=0.00525 (0.00220 - 0.01254), b=3.09 (2.88 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.8 ±0.2 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (K=0.089-0.32).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (33 of 100).
