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<br />------------------- <br /> <br />TABLE 4.-FIELD STUDIES ON LARVAL RAZORBACK SUCKER IN CANYONLANDS NATIONAL PARK AND GLEN <br />CANYON NATIONAL RECREATION AREA - FISH COLLECTIONS IN THE LOWER GREEN RIVER, UTAH (MILLARD CANYON <br />AND BONITA BEND), 1994. Species codes: RS = red shiner Cyprinella lutrensis, CP = common carp Cyprinus carpio, CH = Gila <br />sp., SS = sand shiner Notropis stramineus, FH = fathead minnow Pimephales promelas, CS = Colorado squawfish Ptychocheilus <br />lucius, BH = blue head sucker Catostomus discobolus, FM = flannel mouth sucker C. latipinnis, RZ = razorback sucker Xyrauchen <br />texanus, US = unidentified sucker. L T = floating quatrefoil light trap; SE = 1.6-mm mesh, 1 X 3-m seine; GM = geometric mean; <br />CPE = catch per effort (number of fish/10 h, L T, or 10 m2, SE). <br /> <br /> <br /> 4-5 JUNE (9 L T AND 1 SE SAMPLES) <br />RS 2896 266 2380 181 41 28 2868 145.8 28 9.0 <br />CP 18 18 18 0.5 <br />FH 6 5 6 0.4 <br />CS 29 29 29 10.0 <br />BH 0.1 <br />FM 6 6 6 0.6 <br />RZ 39 37 2 24 2.3 15 5.0 <br />TOTAL 2995 266 2385 244 43 57 2923 72 <br /> <br /> 17-18 JUNE (8 L T AND 1 SE SAMPLES) <br />RS 5488 447 4863 178 5310 655.9 178 15.4 <br />CH 1 1 1 0.1 <br />SS 17 17 17 0.5 <br />FH 260 90 170 260 28.2 <br />CS 7 . 7 7 0.6 <br />BH 54 54 5 0.4 49 4.0 <br />RZ 8 8 8 0.5 <br />US 3 3 3 0.3 <br /> <br />I TOTAL I 5838 <br /> <br />537 <br /> <br />5050 <br /> <br />66 <br /> <br />185 <br /> <br />5600 <br /> <br />238 <br /> <br />13 <br />