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Table 1. Total catch of fish in gill nets at Gypsum Canyon (river miles 196-200) and at <br />Spanish Bottom (river mile 213), 1980. <br />Gypsum Canyona' Spanish Bottomb' <br />Catch Per Catch Per <br />Number Gillnet Number Gillnet <br />Species Captured Hour (X100) Captured Hour (X100) <br />Striped bass (Morone saxatilis) 198 4.29 0 0.00 <br />Carp (Cyprinus car io) 166 3.59 5 1.09 <br />Channel catfish (Ictalurus punctatus) 108 2.34 1 0.22 <br />Walleye (Stizostedion vitreum) 90 1.95 0 0.00 <br />Flannelmouth sucker (Catostomus latipinis) 68 1.47 14 3.05 <br />Colorado squawfish (Ptychocheilus lucius) 45 0.97 3 0.65 <br />Brown trout (Salmo trutta) 13 0.28 0 0.00 <br />Razorback sucker (Xyrauchen texanus) 6 0.13 2 0.43 <br />Largemouth bass (Micropterus salmoides) 4 0.09 0 0.00 <br />Black bullhead (Ictalurus melas) 2 0.04 0 0.00 <br />a'Sampling period: April 26 - June 18; Effort: 4,620 net hours. <br />b'Sampling period: May 7 -21; Effort: 459 net hours.