分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Laviniinae
Etymology: Gila: A river flowing from SW Mejico to south Arizona.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; 河川洄游 (Ref. 51243). 溫帶; 42°N - 36°N
North America: upper Colorado River drainage in Wyoming, Colorado, Utah and Arizona, USA.
北美洲: 侷限於中央河流域了那綠色的與在懷俄明州，科羅拉多，猶他州與美國亞歷桑那州的科羅拉多河 (在科羅拉多河流域)。 從前更普遍而且在科羅拉多河下游中也也許廣泛分佈。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 38.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5723); common length : 25.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193)
Body deep and compressed; caudal peduncle long, extremely slender; fins falcate; caudal fin large, forked; angle along anal fin base continues along upper edge of caudal fin. Large-sized individuals possess large, nearly scaleless hump behind small, depressed head; mouth subterminal, extending to front of small eye; 73-90 scales on lateral line; usually 9 dorsal rays; 10 anal rays; pharyngeal teeth 2,5-4.2. Dark olive-gray above, silver side (Ref. 86798).
Inhabits swift, rocky runs and flowing pools. The hump at the back of the head directs fish to maintain position in the swift water (Ref. 86798).
成魚棲息於迅急的多岩石的小支流與流動的潭水。 頭部背面的隆起在駝背鰷魚的平坦的頭部上導引水流下來而且使魚能夠在迅急的科羅拉多河中維持位置。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
北美洲: 侷限於中央河流域了那綠色的與在懷俄明州，科羅拉多，猶他州與美國亞歷桑那州的科羅拉多河 (在科羅拉多河流域)。 從前更普遍而且在科羅拉多河下游中也也許廣泛分佈。
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)
瀕危 (EN) (B2ab(v)); Date assessed: 10 February 2012
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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=0.01148 (0.00455 - 0.02896), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.0 ±0.2 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.15-0.22).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (50 of 100).
