分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Laviniinae
Etymology: Ptychocheilus: Greek, ptyx, ptychos = fold + Greek, cheilos = lip (Ref. 45335).
More on author: Girard.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的; 河川洄游 (Ref. 51243). 溫帶; 42°N - 31°N
North America: Colorado River drainage in USA (Wyoming, Colorado, Utah, New Mexico, Arizona, Nevada and California) and Mexico. Now mostly restricted to Utah and Colorado; and extirpated from the southern portion of the range by the construction of large dams.
北美洲: 在懷俄明州，科羅拉多，猶他州，新墨西哥州，亞歷桑那州，內華達州與美國加州與墨西哥的科羅拉多河流域。 現在大部份侷限於猶他州與科羅拉多而且在科羅拉多河與吉拉河上滅絕了從範圍的南方部分藉由大壩建築。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 180 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 52.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 12 年 (Ref. 12193)
臀鳍软条: 9. Scales very small with 76-97, usually 80-87 scales on lateral line and 18-23 scales above lateral line; dorsal fin usually with 9 rays; anal fin with 9 rays (Ref. 86798).
Inhabits pools of medium to large rivers. Large individuals usually occur in deep, flowing rocky or sandy pools (Ref. 86798).
栖息于中型到大型河川的水池。 大的个体通常深地出现在,流动岩石或沙的水池。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
北美洲: 在懷俄明州，科羅拉多，猶他州，新墨西哥州，亞歷桑那州，內華達州與美國加州與墨西哥的科羅拉多河流域。 現在大部份侷限於猶他州與科羅拉多而且在科羅拉多河與吉拉河上滅絕了從範圍的南方部分藉由大壩建築。
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)
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Estimates based on models
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).
营养阶层 (Ref.
69278): 2.0 ±0.2 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (tmax=12).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
