In December 2004, December 2005, December 2008, February 2010, and January 2011 Biotactic assisted Bio-West (Utah) with the set-up of a combined sonic and radio-telemetry project (including capture, surgery/tagging, preliminary tracking) of federally endangered razorback suckers (Xyrauchen texanus) in Lake Mead, Nevada/Arizona. This project was designed to identify perhaps some of the last remaining previously unknown areas in the world where wild razorback sucker populations successfully reproduce and recruit.