U.S. Fish and Wildlife Service Proposes Endangered Species Protection for Two Freshwater Mussels
January 2011: The Service has proposed Endangered Species Act protection for the sheepnose and the spectaclecase, two freshwater mussels found in river systems in the eastern U.S. These mussels occupy less than half the number of streams where they once occurred. Threats include loss and degradation of habitat due to impoundments, channelization, chemical contaminants, mining and sedimentation. The decline of freshwater mussels often signals a decline in the water quality of their habitat. Learn more about the spectaclecase and the sheepnose. Photo caption: Sheepnose, Plethobasus cyphyus. Credit: Dick Biggins, USFWS
Published January 19, 2011
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All images by FWS unless otherwise noted.