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: Gila: A river flowing from Southwest New Mexico westward across south Arizona into the Colorado River.
More on authors: Baird & Girard.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水 底中水层性; 河川洄游 (Ref. 51243). 溫帶; 42°N - 32°N
North America: Colorado River drainage in Wyoming, Colorado, Utah, New Mexico, Arizona and California in USA; and Mexico.
北美洲: 在美國的懷俄明州，科羅拉多，猶他州，新墨西哥州，亞歷桑那州與加州的科羅拉多河流域, 與墨西哥。 現生的只在猶他州的綠色河中與可能在科羅拉多河的一些大圈圍水域。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 62.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723)
Gila elegans can be distinguished from similar species Gila cypha by having terminal mouth, angle along anal fin base continues well above caudal fin, more slender caudal peduncle, smaller hump on nape, usually dorsal fin with 10 rays; and 75-99 scales on lateral line. Breeding males with red lower side and pectoral and anal-fin bases (Ref. 86798).
Body shape (shape guide): fusiform / normal.
Inhabits flowing pools and backwaters, usually over mud or rock. Streamlined body may suggest occasional occurrence in swift runs (Ref. 86798).
栖息于流动的潭水与洄水区, 通常在泥或岩石上面。 流线型的身体意味着至少迅急小支流的偶然职业。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
北美洲: 在美國的懷俄明州，科羅拉多，猶他州，新墨西哥州，亞歷桑那州與加州的科羅拉多河流域, 與墨西哥。 現生的只在猶他州的綠色河中與可能在科羅拉多河的一些大圈圍水域。
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
极度濒危 (CR) (B1ab(v)+2ab(v); C2a(i)); Date assessed: 08 February 2012
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Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00439 - 0.02869), b=3.04 (2.82 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 2.0 ±0.2 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 非常低的, 最小族群倍增时间超过14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (45 of 100).
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