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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; eremica: Name is Latinized from the Greek, meaning "of the desert", and alludes to the severe desert conditions in the region where this new species occurs. Rainfall in much of the nortwestern Sonora averages less than 150 mm a year.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水 底中水层性. 溫帶
分布
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North America: headwaters of the Sonora and Matape rivers of northwestern Sonora, México.
北美洲: 墨西哥順拿那西北部的順拿那河與 Matape 河的河川源頭。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 8.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 39604)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 7 - 8; 臀鳍软条: 7 - 8. Differs morphometrically from G. purpurea in having on average a shallower caudal peduncle, shorter mean distance from origin of pectoral fin to origin of pelvic fin and longer upper jaw. Differs from G. ditaenia in its shorter caudal peduncle and longer post-orbital mean lengths and an average of 57 vs. 68 scales in the lateral line.
型态特徵地不同于 G. purpurea 一般说来有一个比较水浅的尾柄, 从胸鳍起点到腹鳍与较长的上颌的起源比较短的平均距离。 在它的较短的尾柄与较长的后眼窝的中有别于 G. ditaenia 平均的长度与平均 57 vs.68个鳞片在侧线中。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
北美洲: 墨西哥順拿那西北部的順拿那河與 Matape 河的河川源頭。
DeMarais, B.D., 1991. Gila eremica, a new cyprinid fish from northwestern Sonora, México. Copeia 1991(1):179-189. (Ref. 39604)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
临近濒危 (NT) (B1b(iii)); Date assessed: 02 March 2018
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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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (参考文献
69278): 2.5 ±0.3 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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