黑背西鯡

Alosa kessleri

伏尔加大坝截断古老产卵路

黑背西鯡是洄游鱼，在欧洲可见活动环境为河流、湖泊或相关流域，最大记录体长约52厘米。

纲: 真骨鱼纲
目: 鲱形目
科: Alosidae
属: Alosa
最大体长: 52 cm
体型: fusiform
分布: Europe: Caspian Sea from where adults ascend Volga (only few fish enter Ural and Terek) to spawn. Earlier reached upriver up to Kama and Oka system. Migration now blocked by Volgograd dam. May have formed land-lock populations in Volga reservoirs.
保护状态: LC无危

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