anadromous fish

• Holly Doremus
• August 21, 2010

Ninth Circuit upholds steelhead listing

Salmonids present a challenge for Endangered Species Act implementation, because they aren’t neatly divided into completely separate reproductive units, the way we expect species to be. Conservation advocates have long argued that behavior should be as important in genetics in deciding which salmonid groups merit protection. The National Marine Fisheries Service and U.S. Fish and …

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