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0 <br />TABLE 1-Comparative data for stocked razorback suckers (RS) and predatory channel (CC) and flathead (FC) catfishes in the Gila River near Clifton, Arizona, <br />September 1984 and 1985 and January 1986. Significant (analysis of variance P < 0.05) differences were between years indicated; NS = no significant differences. <br />1984 1985 1986 <br />Size' and consumption parameters X ± SD n Range J; ± SD n Range X ± SD n Range Differences between years <br />Size of stocked RS 113 ± 19 23 82-169 68 ± 17 100 45-142 92 ± 19 83 73-156 1984-1985 <br />Size of RS consumed by CC 101 ± 11 2 93-108 64 ± 12 35 44-101 0 NS <br />Size of RS consumed by FC 92 ± 8 6 84-104 73 ± 30 28 41-184 99 ± 12 8 85-118 1984-1985,1985-1986 <br />Size of CC (>150 mm) 267 ± 75 8 271-377 212 ± 69 35 150-423 245 ± 72 10 150-407 NS <br />No, of RS per CC stomach2 1.0 ± 0 2 1-1 3.8 ± 3.7 27 1-11 0 NS <br />Size of FC (>I 00 mm) 327 ± 87 10 215-457 287 ± 108 34 100-486 376 ± 178 5 160-640 NS <br />No. of RS per FC stomach3 1.1 ± 0.9 6 1-3 2.2 ± 1.4 16 1-6 2.3 ± 1.9 8 1-5 NS <br />' Standard length in millimeters. <br />' Frequency of occurrence = 0.25 for 1984 and 0.55 for 1985. <br />Frequency of occurrence = 0.80 for 1984, 0.90 for 1985, and 0.80 for 1986 <br />s <br />0 <br />a- <br />Y <br />A <br />a <br />c <br />0 <br />w <br />41 <br />0 <br />0 <br />N <br />1 1 4 1