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Teleostei >
Salmoniformes (Salmons) >
Salmonidae (Salmonids) > Salmoninae
Etymology: Salvelinus: Old name for char; it is the same root of german "saibling" = little salmon (Ref. 45335).
Taxonomic Remarks
This species is synonym of Salvelinus malma (Walbaum ,1792) in Eschmeyer (CofF ver. May 2011: Ref. 86870) following Scharpf (2006). Please send references, or more studies are needed.
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. 極; 70°N - 68°N
North America: restricted to streams on crest of Brooks Range in Alaska from Romanzoff Mountains west to Howard Pass.
北美洲: 侷限於了在來自 Romanzoff 山的阿拉斯加州的小溪範圍的冠上的溪流西至霍華德海峽。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 30.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 21.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 9 年 (Ref. 12193)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 背的软条 (总数) : 14 - 17; 臀棘: 0; 臀鳍软条: 13 - 15; 脊椎骨: 65 - 69. Lateral line straight (Ref. 27547). Pelvic fins with small axillary process; caudal slightly indented (Ref. 27547). Deep velvet black on back and sides, paler below; small bright red spots on back and sides, spots smallest and most numerous on back; largest spots smaller than pupil of eye; some or all spots may be surrounded by a blue to pale halo; leading edges of dorsal, anal and pelvic fins cream to yellow; all rayed fins dark, without spots or marks; adipose fin paler than rayed fins, with a dark posterior margin (Ref. 27547).
Body shape (shape guide): fusiform / normal.
侧线直线.(参考文献 27547) 腹鳍有小的腋窝突起; 尾部的些微地切割成锯齿状.(参考文献 27547) 深的天鹅绒的黑色背面与侧边, 腹面灰白的; 小的鲜红色斑点背面与侧边, 斑点小而最多背面; 比眼睛的瞳孔小的大的斑点; 一些或所有的斑点可能是被一个蓝色到灰白的晕圈包围; 背鳍、臀鳍与腹鳍的前缘乳黄色的到黄色的; 所有的有鳍条的鳍深色的, 没有斑点或标志; 脂鳍比有鳍条的鳍灰白, 具有一个深色的后缘.(参考文献 27547)
Found only in small headwater streams (Ref. 27547). In the winter, it congregates in flowing streams (Ref. 27547). Reported to spawn in the spring (Ref. 27547).
发现只在小的溪流源头中.(参考文献 27547) 在冬天，它在流动的溪流中聚集。 (参考文献 27547) 有报告指出产卵于春天中了。 (参考文献 27547)
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: 侷限於了在來自 Romanzoff 山的阿拉斯加州的小溪範圍的冠上的溪流西至霍華德海峽。
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))
人类利用
渔业: 没有兴趣
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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=0.00977 (0.00477 - 0.02003), b=3.04 (2.87 - 3.21), 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): 3.7 ±0.5 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 (Assuming tmax=3-10).
渔业脆弱性 (Ref.
59153): Low vulnerability (20 of 100).
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