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10 <br />On the recommendation of the Colorado River Fisheries Project Team, <br />the following size-class groupings were used: <br />YOY (Young of Year) Juvenile (Sub-adult) <br />Pty choche i I us <br />Gila <br />Notropis <br />Pimephales <br />less than 60 mm <br />less than 55 mm <br />less than 30 mm <br />less than 35 mm <br />60 - 300 mm <br />55 - 260 mm <br />30 + adults <br />35 + adults <br />Size-class groupings for Rhinichthys, Catostomus, Ictalurus, and <br />Killifish were based on known lengths at maturity.