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Author: Jennifer Forman Orth

Invading your brain since 2002.

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Nature Blog Network

Friday, November 11, 2005

The Alewife Train

Where I come from the alewife (Alosa pseudoharengus) is a native fish, spending most of its life in the Atlantic Ocean and stopping by the local rivers only to spawn. But not too far away, in Lake Champlain, these river herrings are considered invaders. As reported by CNews, biologists now believe that the alewife has established breeding populations in the lake, where the fish have adapted to live their entire lives in freshwater. It is likely that the alewife was introduced to Lake Champlain through its use as bait to catch other fish.


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