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Survival of Razorback Sucker Stocked into the lower Colorado River

Status:  Completed

Razorback sucker have been stocked into the lower Colorado River for nearly 30 years, but stocking was accelerated in recent years to meet requirements of a U.S. Fish and Wildlife Service Biological Opinion of lower river operations (USFWS 1997).  The purpose of this project was to assess survival of stocked fish by performing an intensive, opportunistic survey that targeted razorback sucker in approximately 282 km of river from Parker Dam downstream to Yuma.