英语词汇“black-backed caspian herring”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	black-backed caspian herring
释义	Black-Backed Caspian Herring Black-Backed Caspian Herring (Alosa kessleri kessleri), a fish of the family Clupeidae. It is found in the Caspian Sea; it goes up the Volga to spawn. Length, 52 cm; weight, up to 2 kg (the largest of the Volga herrings). During spawning it splashes forcefully in the water (hence the Russian name beshenka, “crazy or frenzied one”). It is a valuable commercial fish; its numbers have been decreased sharply because of destruction of its reproduction conditions, caused by the construction of several hydroelectric works.
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Black-Backed Caspian Herring

Black-Backed Caspian Herring