Tab. 1. Diet composition of Epinephelus morio and Mycteroperca bonaci showing number percentage (N), frequency of occurrence (FO), weight percentage (W) and percentage of Index of Relative Importance (IRI) of food items consumed in two different size classes (Juvenile=J and Adult=A) from the Abrolhos Bank, Brazil. T= Total.ItemEpinephelus morioMycteroperca bonaci%N%FO%W%IRI%N%FO%W%IRIJATJATJATJATJATJATJATJATTELEOSTEI27.9424.6126.6550.9446.4948.8132.4750.0843.5843.7027.9738.1396.4396.4396.4299.15114.27104.2298.3499.6199.4899.7999.6199.87Acanthostracion polygonius Poey, 18760.53---0.300.96---0.550.58---0.230.04---0.01---3.571.79---4.762.12---0.050.05---0.360.06Acanthurus bahianus Castelnau, 1855---0.750.30---1.410.55---2.111.23---0.130.03------------------------------------Acanthurus coeruleus Bloch, Schneider, 18010.53---0.300.96---0.550.42---0.170.03---0.01------------------------------------Acanthurus spp.0.531.490.910.962.821.670.167.404.390.020.850.33------------------------------------Aluterus monoceros (Linnaeus, 1758)---------------------------------------3.571.79---4.762.12---23.59 21.16---2.700.75Bleniidae0.53---0.300.96---0.550.07---0.030.02---0.01------------------------------------Carangidae------------------------------------3.853.573.573.574.764.256.985.575.720.420.910.61Chilomycterus spinosus (Linnaeus, 1758)0.530.750.600.961.411.111.701.861.750.080.120.10------------------------------------Engraulidae0.53---0.300.96---0.550.12---0.050.02---0.01------------------------------------Gobiidae0.53---0.300.96---0.550.12---0.050.02---0.01------------------------------------Gymnothorax moringa (Cuvier, 1829)0.53---0.300.96---0.552.39---0.940.10---0.02------------------------------------Gymnothorax spp.---1.490.60---2.821.11---13.507.89---1.430.35---3.571.79---4.762.12---0.710.63---0.430.10Haemulon aurolineatum Cuvier, 1830---------------------------------------17.868.93---14.296.38---13.40 12.02---9.322.06Halichoeres brasiliensis (Bloch, 1791)------------------------------------3.577.145.363.859.526.3814.46 14.82 14.790.734.361.98Halichoeres poeyi (Steindachner, 1867)0.53---0.300.96---0.550.22---0.090.02---0.01------------------------------------Myripristis jacobus Cuvier, 18290.53---0.300.96---0.552.76---1.100.11---0.03------------------------------------Ogcocephalus vespertilio (Linnaeus, 1758)---0.750.30---1.410.55---1.550.91---0.110.02------------------------------------Ophichthydae2.651.492.124.812.823.890.204.482.700.510.570.71------------------------------------Paraclinus nigripinnis (Steindachner, 1867)0.53---0.300.96---0.550.02---0.010.02---0.01------------------------------------Scarinae1.592.992.122.885.633.890.554.732.980.231.470.753.573.573.573.854.764.256.640.721.320.410.430.32Scarus spp.0.53---0.300.96---0.550.31---0.120.03---0.01------------------------------------Scarus trispinosus Valenciennes, 1840---0.750.30---1.410.55---0.550.32---0.060.013.577.155.363.859.526.3812.51 7.047.600.652.821.27Sparidae remains---0.750.30---1.410.55---0.430.25---0.050.01------------------------------------Sparisoma spp.---------------------------------------3.571.79---4.762.12---5.815.21---0.930.23Synodus spp.0.53---0.300.96---0.552.88---1.130.12---0.30------------------------------------Unidentified fish16.8113.4015.8030.7725.3528.8919.9713.4717.2442.3323.1835.3981.8742.8662.4784.0352.3868.1057.7527.9030.9897.5877.3592.49ALGAEFilamentous algae---1.490.60---2.821.11---0.100.06---0.150.03------------------------------------MOLLUSCAOctopus vulgaris Cuvier, 17973.171.492.425.772.824.459.660.464.072.750.181.09------------------------------------BIVALVE---1.490.60---2.821.11---0.120.07---0.150.03------------------------------------GASTROPODA1.592.992.122.885.633.890.121.510.930.180.850.45------------------------------------ECHINODERMATAEchinoidea---1.490.60---2.821.11---2.621.53---0.390.10------------------------------------CNIDARIA - CORAL1.591.491.512.882.822.780.290.240.260.200.160.18------------------------------------CRUSTACEA65.7164.9565.5119.23122.57118.7957.4644.8749.5053.1770.1559.983.573.573.583.854.764.241.660.390.520.210.390.13Callinectes.0.53---0.300.96---0.550.40---0.160.03---0.01------------------------------------Cronius ruber (Lamarck, 1818)6.8814.909.9912.5028.1718.3325.3727.4726.4215.0240.4226.42------------------------------------Cycloes bairdii var. atlantica Verrill, 1908---0.750.30---1.410.55---0.220.13---0.040.01------------------------------------Family Inachoidinae0.530.750.600.961.411.110.030.220.140.020.040.03------------------------------------Leptopisa setirostris (Stimpson, 1871)---0.75 0.30---1.410.55---0.060.04---0.040.01------------------------------------Lithadia.---0.750.30---1.410.55---0.020.01---0.030.01------------------------------------Macrocoeloma camptocerum (Stimpson,1871)0.53---0.300.96---0.550.23---0.100.02---0.01------------------------------------Majiidae---0.750.30---1.410.55---0.100.06---0.040.01------------------------------------Malacostraca – Shrimps remains3.702.993.326.735.636.110.440.400.411.030.640.86------------------------------------Microphrys antillensis Rathbun, 19015.822.994.5310.585.638.341.710.500.972.960.661.74------------------------------------Microphrys spp.1.06---0.601.92---1.110.02---0.010.07---0.02------------------------------------Mithraculus forceps Milne-Edwards, 18756.391.493.639.622.826.672.480.491.263.170.191.23------------------------------------Mithrax braziliensis Rathbun, 18923.700.752.426.731.414.452.870.541.441.640.060.65------------------------------------Mithrax forceps Milne-Edwards 18752.65---1.514.81---2.782.32---0.910.89---0.25------------------------------------Mithrax hemphilli Rathbun, 18921.06---0.601.92---1.110.90---0.360.14---0.04------------------------------------Mithrax hispidus (Herbst, 1790)---2.240.92---4.231.66---2.301.34---0.650.14------------------------------------Mithrax.1.59---0.922.88---1.661.00---0.400.27---0.08------------------------------------Mithrax tortugae Rathbun, 19202.120.751.513.851.412.771.791.591.640.560.110.33------------------------------------Notolopas brasiliensis Miers, 1886---0.750.30---1.410.55---0.020.01---0.030.01------------------------------------Odontodactylus havanensis (Bigelow, 1893)1.652.992.84.815.635.001.080.450.700.480.650.65------------------------------------Panurilus argus Latreille, 18040.53---0.300.96---0.550.43---0.170.03---0.103.57---1.793.85---2.121.66---0.170.21---0.06Parthenope serrata Schmidt, 1857---0.750.30---1.410.55---0.160.09---0.040.01------------------------------------Persephona.1.06---0.601.92---1.110.59---0.230.11---0.03------------------------------------Pilumnus dasypodus Kingsley, 1879---0.750.30---1.410.55---0.090.05---0.040.01------------------------------------Portunidae remains1.062.241.511.924.232.773.240.421.520.300.380.32------------------------------------Portunus ventralis (Milne-Edwards, 1879)---0.750.30---1.410.55---0.060.03---0.040.01------------------------------------Pseudosquilla ciliata (Fabricius, 1787)2.12---1.213.85---2.221.16---0.460.47---0.14------------------------------------Stenorhynchus seticornis (Herbst, 1788)1.063.732.121.927.043.890.200.650.460.091.040.38------------------------------------Stomatopoda3.172.242.85.774.235.002.360.241.071.180.350.718---3.571.79---4.762.12---0.390.35---0.390.07Superfamily Dromioidea---0.750.30---1.410.55---0.470.28---0.060.01------------------------------------Unidentified Brachyura15.85 16.41 16.9828.8530.9930.006.626.336.4924.1523.8725.00------------------------------------Unidentified Decapoda2.122.24 2.423.854.234.441.331.581.500.490.540.65------------------------------------Xanthidae0.531.490.910.962.821.660.890.490.640.050.190.10------------------------------------