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Table 3. Stomach contents of striped bass, walleye, and ch99nel catfish captured at the head of Lake <br />Powell, April-June 1980. Percent in parenthesis.- <br /> Stage of Number Number With Number With Number of Number of Stomachs Containing <br />Species Sex Maturity of Fish Empty Stomach Empty Intestinal Stomachs Shad Red Shiner Crayfish Unidentified Insects <br /> Tract With Food Fish Remains <br />Striped Bass Male Immature 9 4(44) 4(44) 5(56) 4(44) 1(11) <br /> Maturing 5 5(100) 5(100) <br /> Mature 105bj 78(74) 75(71) 27(26) 25(24) 1(1) 1(1) <br /> Spent 1 1(100) 1(100) <br />TOTAL 120 87(73) 84(70) 33(28) 30(25) 2(2) 1(1) <br />Female Immature 6 5(83) 4(67) 1(17) 1(17) <br /> Maturing 12 4(33) 5(42) 8(67) 8(67) <br /> Mature 24 15(63) 11(46) 9(38) 1(4) <br /> Spent 15 9(60) 7(47) 6(40) 4(27) 1(7) 1(7) <br />TOTAL 57 33(58) 27(47) 24(42) 22(39) 1(2) 1(2) 1(2) <br />GRAND TOTAL 177 120(68) 111(63) 57(32) 52(29) 2(l) l(l) 2(1) <br />Walleye 46 17(37) 21(46) 29(63) 28(61)?/ <br />Channel Catfish 40 20(50) 22(55) 20(50) 17(43)?/ 5(13) 4(10) <br />a/Percent based on total number of stomachs - empty and full. <br />b/Includes some partially spent individuals. <br />?/Includes shad, carp, and catfish.