分类 / 名称
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Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Plagopterinae
Etymology: Semotilus: Greek, sema = banner (dorsal fin) + Greek, tilos = spotted; used by Rafinesque (Ref. 45335).
More on author: Mitchill.
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; 河川洄游 (Ref. 126106). 溫帶; 52°N - 36°N
North America: Hudson Bay, Lake Ontario, and Atlantic Slope drainages from Quebec and Ontario, Canada to James River drainage, Virginia, USA.
北美洲: 大西洋斜坡從加拿大新布蘭斯維克到美國維吉尼亞的詹姆士河流域; 在加拿大魁北克與安大略省與美國的紐約州的哈得遜灣,安大略湖與聖勞倫斯流域。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 51.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 86798); common length : 17.1 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大体重: 1.6 kg (Ref. 40637); 最大年龄: 6 年 (Ref. 72462)
<>Semotilus corporalis can be distinguished by the possession of the following characters: large eye; large lateral scales (43-50); moderately compressed body; fairly long, rounded snout slightly overhanging large mouth; dorsal fin origin over or slightly behind pelvic-fin origin; 8 dorsal rays; 8 anal rays; adults have scales on backs and upper side darkly outlined; and young has black stripe along side, dark caudal spot. Olive to gold-brown above, dark stripe along back; bright silver side, sometimes with purple or blue sheen; black bar along back of gill cover. Breeding males have fairly large tubercles on head (Ref. 86798).
Body shape (shape guide): elongated.
Adults inhabit gravel- and rubble-bottomed pools and runs of small to medium rivers, and also lake margins (Ref. 86798).
栖息于小型到中型河的砾石底与碎石底部水潭与急流 , 以及湖边缘。
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: 大西洋斜坡從加拿大新布蘭斯維克到美國維吉尼亞的詹姆士河流域; 在加拿大魁北克與安大略省與美國的紐約州的哈得遜灣,安大略湖與聖勞倫斯流域。
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))
人类利用
渔业: 自给性渔业; 游钓鱼种: 是的
工具
特别资料
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网络资源
基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01259 (0.00541 - 0.02928), b=3.01 (2.81 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.4 ±0.55 se; based on food items. |
回复力 (参考文献 120179) |
中等的, 族群倍增时间最少 1.4 - 4.4年 (Fec=12,021). |
渔业脆弱性 (Ref. 59153) |
High vulnerability (62 of 100). 🛈 |
价格分类 (Ref. 80766) |
Unknown.
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