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<br />Green River <br /> <br />. <br /> <br />GraY"' Canyon <br /> <br />1<1.6 to 171 <br /> <br />Yampa River <br /> <br />_ _ 'i.am~a--G-ai1-yon-- ,--" <br /> <br />18 to 24 <br /> <br />LARVAL-JUVENILE HUMPBACK CHUB <br /> <br />Humpback chub larvae and juveniles are difficult to distinguish from <br />roundtail chub. Since current evidence suggests that different size classes <br />of humpback chub occupy the same river reaches criteria and habitats could <br />be considered the same as adult humpback chub observations. <br /> <br />RAZORBACK SUCKER <br />AOUL T RAZORBACK SUCKER (> 450 mm) <br /> <br />Classification: Distribution <br /> <br />Criterion <br /> <br />. <br /> <br />Cap~ures within the last 5 years (1979 to present) <br /> <br />Reach Designations (Figure 10) <br /> <br />General Location <br /> <br />River Miles <br /> <br />Colorado River <br /> <br />Gypsum to Confluence <br />Moab <br /> <br />-16 to 5 <br /> <br />40 to 70 <br /> <br />Black Rocks to Debeque <br /> <br />140 to 220 <br /> <br />Green River <br /> <br />Confluence to Green River, Utah <br /> <br />o to 120 <br />213 to 345 <br /> <br />Sand Wash to Echo Park <br /> <br />Duchesne River <br /> <br />Mouth to Ouray <br /> <br />o to 4 <br /> <br />. <br /> <br />Classification: <br /> <br />Adult Razorback sucker (475 + mm) concentration areas <br /> <br />-19- <br />