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Teleostei >
Salmoniformes (Salmons) >
Salmonidae (Salmonids) > Salmoninae
Etymology: Oncorhynchus: Greek, onyx, -ychos = nail + Greek, rhyngchos = snout (Ref. 45335).
Eponymy: This species is named after the White Mountain Apache tribe which is concerned for the welfare of this endangered species. (Ref. 128868), visit book page.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 居于水底的; 非迁移的 (Ref. 46888). 溫帶; 34°N - 33°N
North America: Upper Salt River and Little Colorado River systems (Colorado River drainage) in Arizona, USA.
北美洲: 在美國亞歷桑那州的含鹽河上游與小科羅拉多河流域 (科羅拉多河流域)。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 58.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 40637); common length : 25.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大体重: 2.4 kg (Ref. 40637)
简单描述
检索表 | 型态特徵 | 形态测量图
Adults inhabit clear, cool mountain headwaters and creeks (generally above 2500 m elevation), and mountain lakes. Entire life history is spent in freshwater (Ref. 46888). A 95% (stream km) reduction in range has resulted due to hybridization with Oncorhynchus mykiss and competition from Salvelinus fontinalis and Salmo trutta.
栖息于清澈寒冷的山河源上游与小溪 (通常在上面 2500 公尺海拔), 与高山湖泊中。 95%(水流公里) 分布范围的缩减用来自 美洲红点鲑[溪红点鲑][Salvelinus fontinalis] 与 斑鳟属 trutta 的 Oncorhynchus mykiss 与竞争起因于杂交.
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: 在美國亞歷桑那州的含鹽河上游與小科羅拉多河流域 (科羅拉多河流域)。
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
极度濒危 (CR) (A1cd); Date assessed: 01 August 1996
人类利用
渔业: 自给性渔业; 游钓鱼种: 是的
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特别资料
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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) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01047 (0.00491 - 0.02235), b=3.04 (2.87 - 3.21), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.8 ±0.4 se; based on size and trophs of closest relatives |
回复力 (参考文献 120179) |
低的, 最小族群倍增时间4.5 - 14 年 (Preliminary K or Fecundity.). |
渔业脆弱性 (Ref. 59153) |
Moderate to high vulnerability (54 of 100). 🛈 |
价格分类 (Ref. 80766) |
Very high.
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