分类 / Names
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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. 亞熱帶的; 44°N - 28°N
North America: Colorado River drainage in Wyoming, Colorado, Utah, New Mexico and Arizona, USA (Ref. 86798); also Rio Yaqui south to Rio Piaxtla in northwestern Mexico (Ref. 5723).
北美洲: 在懷俄明州，科羅拉多，猶他州，內華達州，新墨西哥州與美國亞歷桑那州的科羅拉多河流域; Rio Yaqui 在墨西哥西北部中也南至 Rio Piaxtla 。 在美國有 4個亞種, 其它在墨西哥: 粗壯骨尾魚〔Gila robusta〕 jordani ， 粗壯骨尾魚〔Gila robusta〕 seminuda ， 粗壯骨尾魚〔Gila robusta〕 grahami 與 粗壯骨尾魚〔Gila robusta〕 robusta.
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 43.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 30.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 8 年 (Ref. 12193)
背的软条 (总数) : 9; 臀鳍软条: 9. Body deep and compressed. Head flat. Caudal peduncle slender. Caudal fin large and forked. Angle along base of the anal fin continues into the middle of the caudal fin. Mouth terminal, extending to front of eye. Dark olive-gray above, silver side. Breeding male may develop red or orange on lower half of cheek and paired-fin bases; Lateral line with 71-99 scales, usually more than 78. Dorsal and anal fins with 9 rays. First gill arch with 10 or more rakers. Pharyngeal teeth 2,5-4,2 (Ref. 86798).
Body shape (shape guide): elongated.
Inhabits rocky runs, sometimes pools, of creeks and small to large rivers as well as impoundments. May hybridize with Gila cypha throughout their shared range except in Yampa River (Ref. 86798).
栖息于多岩石的小支流, 有时水潭, 小溪与小型到大型河川。 有时常见于圈围水域。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
北美洲: 在懷俄明州，科羅拉多，猶他州，內華達州，新墨西哥州與美國亞歷桑那州的科羅拉多河流域; Rio Yaqui 在墨西哥西北部中也南至 Rio Piaxtla 。 在美國有 4個亞種, 其它在墨西哥: 粗壯骨尾魚〔Gila robusta〕 jordani ， 粗壯骨尾魚〔Gila robusta〕 seminuda ， 粗壯骨尾魚〔Gila robusta〕 grahami 與 粗壯骨尾魚〔Gila robusta〕 robusta.
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)
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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): 中等的, 族群倍增时间最少 1.4 - 4.4年 (tmax=8).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (33 of 100).
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