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Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Plagopterinae
Etymology: Plagopterus: Greek, plagios = oblique + Greek, pteron = wing, fin (Ref. 45335).
More on author: Cope.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 温带; 36°N - 32°N
North America: Virgin and Gila River systems (both lower Colorado River drainage) in Utah, Nevada and Arizona, USA. Extant only in Gila River system.
北美洲: 在犹他州，内华达州与美国亚历桑那州的处女河与吉拉河系统 (两者的科罗拉多河下游流域)。 现在在吉拉河系统相信已灭绝。 列出了当在 IUCN 2004 的次级保育类动物 (VU- D 2) 而且在 CITES 的附录 2 列出了。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 10.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 26186); 最大年龄: 4 年 (Ref. 12193)
臀鳍软条: 9 - 10. Anal fin with 9-10 rays; ventral-fin origin before dorsal-fin origin; large, forked caudal fin; pharyngeal teeth 1,5-4,1; scales absent; wide, flat head; body compressed at rear; subterminal mouth on long, rounded snout; barbel at corner of mouth; fairly small eye high on head; dusky gray above; brilliant silver side, often with blue sheen, sometimes faint yellow at paired fin bases; breeding males with pink lower side (Ref. 86798).
Occurs in fast sandy runs and pools of small to medium rivers, usually in warm turbid water (Ref. 86798). Most commonly found in shallow, moderately flowing water over shifting sand substrates (Ref. 26186). Spawning in the Virgin river begins in April to May and continues through August (Ref. 26186).
栖息于小型到中型河的快速多沙的支流, 通常在温暖的浑浊水。 有时在水池中.(参考文献 5723) 改变沙子底部之上最普遍发现于浅且流动和缓的水。 (参考文献 26186) 产卵在处女河中在四月到五月开始而且继续过八月。 (参考文献 26186)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
北美洲: 在犹他州，内华达州与美国亚历桑那州的处女河与吉拉河系统 (两者的科罗拉多河下游流域)。 现在在吉拉河系统相信已灭绝。 列出了当在 IUCN 2004 的次级保育类动物 (VU- D 2) 而且在 CITES 的附录 2 列出了。
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)
极度濒危 (CR) (B1ab(i,ii,iii,v)); Date assessed: 11 April 2012
人类利用
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00476 - 0.02768), b=3.02 (2.81 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.1 ±0.1 se; based on diet studies.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (tmax=4).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
