The Colorado pikeminnow (Ptychocheilus lucius) is a federally endangered fish, which was once abundant and widespread in the Colorado River basin. During exotic fish removal sampling in the spring of 2003, 2004, and 2005, 2 Colorado pikeminnow were collected upstream of critical habitat in the Yampa River, Colorado. Collection of these specimens might be an artifact of low historical sampling effort, but they do serve to document potential habitat use of Colorado pikeminnow outside of critical habitat.
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1 June 2006
COLORADO PIKEMINNOW (PTYCHOCHEILUS LUCIUS) UPSTREAM OF CRITICAL HABITAT IN THE YAMPA RIVER, COLORADO
Sam T. Finney
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