An official website of the United States government
Here’s how you know
Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
The Bonneville cutthroat trout (Oncorhynchus clarki utah) is a subspecies of Cutthroat trout that once inhabited the Late Pleistocene-aged Lake Bonneville of Utah, eastern Nevada, and Southern Idaho (USA). Since the desiccation of Lake Bonneville into Great Salt Lake which is too salty for any...
You are exiting the U.S. Fish and Wildlife Service website
You are being directed to . The page will open in a new window.
We do not guarantee that the websites we link to comply with Section 508 (accessibility requirements) of the Rehabilitation Act. Links also do not constitute endorsement, recommendation or favoring by the U.S. Fish and Wildlife Service.
Click 'I understand' to proceed. Click Cancel to stay on the FWS website.