Table 2 in Ontogeny and stomach content analysis of Bagrus bayad (Forskal, 1977) in Zobe reservoir, Katsina, Nigeria

Table 2: Diet composition of Bagrus bayad in Zobe reservoir, Katsina Nigeria
TL (cm)˂ 30.030.0-60.0≥ 60.0Food itemsN (% N)W(%W)F(%F)IRI%(% N)W(%W)F(%F)IRI%N(%N)W(%W)F(%F)IRI%Fish eggsFish eggs23(8.46)3.1(2.23)8(4.28)2.398(5.76)2.1(0.78)3(2.03)0.515(3.73)4.8(2.33)3(2.83)0.90AnnelidsAnnelids9(3.31)1.5(1.08)10(5.35)1.255(3.60)5.6(2.09)12(8.11)2.387(5.22)3.5(1.70)5(4.72)1.54InsectsDiptera16 (5.88)5.5(3.96)17(9.09)5.0110(7.19)3.2(1.20)11(7.43)2.478(5.97)3.9(1.89)6(5.66)2.08Coleoptera14(5.15)9(6.47)19(10.16)6.9615(10.79)4.9(1.83)8(5.41)2.7111(8.21)4.6(2.23)8(7.55)3.61Odonata9(3.31)2(1.44)13(6.95)1.7911(7.91)2.3(0.86)15(10.1)3.316(4.48)3(1.45)10(9.43)2.63BivalvesMolluscs15(5.51)3.1(2.23)12(6.42)2.683(2.16)0.9(0.34)7(4.73)0.4621(15.67)4.5(2.18)14(13.21)9.94CrustaceansAmphipods31(11.39)9.1(6.55)21(11.23)11.1525(18.00)6.8(2.54)17(11.)9.095(3.73)13.64(6.61)3(2.28)1.83Arthropods21(7.72)4.5(3.24)15(8.02)4.752(1.44)1.9(0.71)25(16.9)1.80--TeleostsTilapia zili7(2.57)28(20.14)4(2.14)3.1711(7.91)85.06(31.79)18(12.2)36.1013(9.70)23.7(11.48)19(17.92)22.34Alestes baremose10(3.67)33.5(24.10)7(3.74)6.7418(12.95)78.11(29.19)8(5.41)15.7215(11.19)52.1(25.24)8(7.55)17.83Petrocephalus bane8(2.94)17.2(12.37)2(1.07)1.0421(15.11)35.67(13.33)9(6.08)9.869(6.72)16.7(8.09)13(12.26)10.72Clarias gariepnus-------10((7.46)40(19.38)3(2.83)0.00Unidentified fish part24(8.82)10.5(7.55)21(11.23)10.5110(7.19)41.02(15.33)15(10.1)15.6024(17.91)36(17.44)14(13.21)26.57DebrisUnidentified Debris85(31.25)12(8.63)38(20.32)42.57-------