Official State of Rhode Island website

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State of Rhode Island Department of Environmental Management

Fish Migration 101

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An Atlantic salmon makes her way through the Milford Fish Lift and upriver to spawn in the Penobscot. The Nature Conservancy, C. Daigle, 2014.

11-21-2023

River herring is the collective name for alewife (Alosa pseudoharengus) and blueback herring (Alosa aestivalis) which range from Florida to Canada. Each spring, river herring undertake an incredible feat: swimming upstream in rivers throughout Rhode Island to find calm, fresh waters in which to spawn. These seasonal migrations are amazing to behold, as the herring navigate their way upstream by the hundreds.

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Fish Passage