分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Salmoniformes (Salmons) >
Salmonidae (Salmonids) > Coregoninae
Etymology: Stenodus: Greek, stenos = narrow + Greek, odous = teeth (Ref. 45335).
More on author: Pallas.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋; 淡水; 半咸淡水 底中水层性; 溯河洄游.
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Arctic Ocean basin, from Ponoi (Kola Peninsula, White Sea basin) eastward to Anadyr (Siberia), Yukon (Alaska) and Mackenzie (Canada) drainages.
首次成熟时的长度 / 大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 150 cm SL 雄鱼/尚未辨别雌雄; (Ref. 59043)
Found in the pelagic zone at the sea with salinity up to 20 ppt. Inhabits large lowland and piedmont rivers and lakes. Prefers cold water with temperatures below 16° C. Forages and overwinters in lower reaches of large rives, deltas, estuaries and sea, sometimes far from coast. Anadromous or semi-anadromous, living in some rivers and landlocked in some lakes. Undertakes migration to spawn in rivers, moving upstream for long distances, up to uppermost reaches in European rivers. Populations in the lake migrate into tributaries. Juveniles prey on mysids, insect larvae and fry, shifting exclusively to piscivory at about 30 cm SL. Actively feeds on all available fishes. Spawning takes place over shallow waters with sand-gravel bottom and 2-3 m depth (Ref. 59043).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Spawning usually takes place only 1-2 times during life, rarely 3, usually every 2-3 years (Ref. 59043).
Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
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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 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00457 (0.00194 - 0.01077), b=3.13 (2.92 - 3.34), 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) |
3.6 ±0.3 se; based on size and trophs of closest relatives |
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Generation time |
20.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
回复力 (参考文献 120179) |
低的, 最小族群倍增时间4.5 - 14 年 (tm=4-16). |
渔业脆弱性 (Ref. 59153) |
Very high vulnerability (86 of 100). 🛈 |