分类 / 名称
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 author: Girard.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 底中水层性. 亞熱帶的; 33°N - 30°N
North America: Mimbres River in New Mexico, USA; Lagunas Guzman and Bustillos, Chihuahua in Mexico.
北美洲: 美國新墨西哥州的 Mimbres 河以及在 Lagunas Guzman 與 Bustillos, 在墨西哥的奇瓦瓦。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 24.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 86798)
背的软条 (总数) : 9; 臀鳍软条: 8. Gila nigrescens can be distinguished by the following characters: lateral line with 67-78 scales; dorsal fin with 9 rays; anal fin with 8 rays; 1st gill arch with 9014 rakers; pharyngeal teeth 2,5-4,2; deep, compressed body; long, fairly slender caudal peduncle; terminal mouth on rounded snout; olive-gray above; silver side; clear to slate gray fins; and breeding individuals with red-orange mouth and paired and anal-fin bases (Ref. 86798).
Body shape (shape guide): fusiform / normal.
Adults inhabit flowing pools of creeks and small rivers, usually near brush or other cover (Ref. 86798). Migratory behaviour is undetermined (Ref. 126106).
栖息于小溪与小河的流动的潭水, 通常在灌木或其他的表面附近。
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
北美洲: 美國新墨西哥州的 Mimbres 河以及在 Lagunas Guzman 與 Bustillos, 在墨西哥的奇瓦瓦。
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 2025-2 (Global))
易受伤害 (VU) (B1ab(i,ii,iii,v)+2ab(i,ii,iii,v)); Date assessed: 28 February 2019
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基于模型的估算
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00451 - 0.02922), b=3.03 (2.81 - 3.25), 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): 2.2 ±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 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref.
59153): Low vulnerability (14 of 100).
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