Table 2.
Index of relative importance (%IRI) contribution of anthropogenic debris and other dietary types of fishes inhabiting the natural bay environment (Deb = anthropogenic debris; Fish = fish; Luc = Lucifer sp.; Shri = shrimp; Ace = Acetes sp.; Cop = copepods; other = other zooplankton; Poly = polychaetes; Cosc = Coscinodiscus sp.; Diat = other diatoms, Dino = dinoflagellates; Stom = stomatopods; Squid = squid; Cru = other crustaceans excluding copepods; Crab = crabs; Sagi = Sagitta sp.; Brit = brittle stars; Sea = sea urchins; Moll = molluscs; Amp = amphipods; Nem = nematodes; Mis = miscellaneous). In bold: main food contribution.
| Species | Deb | Fish | Luc | Shri | Acet | Cop | other | Poly | Nem | Cosc | Diat | Dino | Stom | Squid | Crus | Crab | Sagi | Bri | Sea | Moll | Amp | Mis |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A. chacunda | 1.7 | 0.0 | 0.0 | 0.0 | 0.0 | 8.3 | 38.0 | 1.2 | 7.5 | 25.5 | 11.9 | 3.4 | 0.0 | 0.0 | 0.4 | 0.0 | 0.0 | 0.0 | 0.0 | 1.4 | 0.0 | 0.6 |
| H. kelee | 0.1 | 0.0 | 0.0 | 1.0 | 0.0 | 22.7 | 2.1 | 0.3 | 0.1 | 37.0 | 23.3 | 12.6 | 0.0 | 0.0 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | 0.0 | 0.1 |
| S. fimbriata | 2.5 | 0.0 | 11.6 | 2.4 | 0.0 | 45.5 | 0.1 | 1.4 | 0.7 | 16.8 | 15.8 | 1.1 | 0.0 | 0.0 | 0.0 | 0.5 | 0.0 | 0.0 | 0.0 | 1.4 | 0.0 | 0.1 |
| S . gibbosa | 0.0 | 0.0 | 35.5 | 0.3 | 0.0 | 16.8 | 1.1 | 3.4 | 0.0 | 23.3 | 15.2 | 3.4 | 0.0 | 0.0 | 0.1 | 0.2 | 0.0 | 0.0 | 0.0 | 0.6 | 0.0 | 0.1 |
| S. taty | 0.0 | 0.0 | 61.4 | 21.9 | 7.1 | 0.0 | 0.0 | 3.6 | 0.0 | 1.7 | 0.0 | 0.0 | 0.0 | 0.0 | 3.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.9 | 0.0 | 0.0 |
| S. commersonnii | 0.0 | 57.1 | 14.3 | 0.0 | 0.0 | 14.3 | 0.0 | 0.0 | 0.0 | 14.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| S . waitei | 0.0 | 0.0 | 17.5 | 0.0 | 36.8 | 20.2 | 0.0 | 0.0 | 0.0 | 18.4 | 7.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| T. hamiltonii | 0.0 | 33.2 | 2.0 | 33.5 | 18.1 | 0.0 | 8.6 | 0.7 | 0.0 | 0.0 | 0.0 | 0.0 | 2.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.2 | 0.0 | 0.0 |
| T . kammalensis | 3.8 | 0.0 | 0.0 | 30.8 | 50.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 11.5 | 0.0 |
| T . setirostris | 0.0 | 0.0 | 22.2 | 44.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 33.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| C. nudus | 0.0 | 79.4 | 0.0 | 15 | 1.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| O. tardoore | 0.0 | 2.8 | 47.2 | 25.5 | 22.4 | 0.2 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.7 | 0.0 | 0.0 | 0.0 |
| H. nehereus | 0.0 | 89.5 | 0.0 | 10.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| A. kleinii | 0.0 | 0.0 | 87.0 | 0.8 | 6.8 | 0.0 | 0.0 | 2.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.7 | 0.0 | 0.0 | 0.0 | 1.4 | 0.0 | 0.0 | 0.0 |
| A . vari | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| M. cordyla | 1.2 | 80.9 | 1.5 | 0.8 | 10.3 | 0.0 | 4.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | 0.0 | 0.0 |
| S. tol | 0.0 | 57.7 | 20.0 | 2.3 | 20.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| D. insidiator | 3.0 | 0.0 | 53.0 | 0.0 | 2.8 | 12.6 | 0.0 | 2.8 | 0.0 | 7.4 | 13.7 | 1.4 | 0.0 | 0.0 | 0.0 | 3.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| E. jonesi | 0.0 | 0.0 | 3.5 | 0.0 | 0.0 | 36.1 | 4.6 | 0.0 | 2.6 | 36.9 | 4.7 | 0.0 | 0.0 | 0.0 | 1.3 | 0.0 | 0.0 | 0.0 | 0.0 | 10.3 | 0.0 | 0.0 |
| E . splendens | 2.6 | 0.0 | 1.6 | 0.0 | 0.0 | 11.2 | 7.2 | 1.3 | 0.7 | 8.3 | 60.0 | 2.7 | 0.0 | 0.0 | 0.1 | 0.2 | 1.0 | 0.0 | 0.8 | 0.4 | 0.0 | 1.8 |
| L. equula | 7.9 | 0.0 | 11.4 | 0.0 | 0.0 | 22.5 | 1.8 | 16.4 | 0.3 | 4.9 | 24.1 | 4.3 | 0.0 | 0.0 | 1.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 5.2 |
| N. gerreoides | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.6 | 2.8 | 33.8 | 0.0 | 28.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.8 | 0.0 | 0.0 | 0.0 | 0.0 | 9.9 | 21.5 | 0.0 |
| P. bindus | 10.1 | 0.0 | 8.5 | 0.0 | 0.0 | 10.8 | 0.9 | 7.4 | 0.3 | 1.9 | 48.1 | 0.6 | 0.0 | 0.0 | 0.3 | 0.0 | 1.7 | 0.6 | 0.0 | 0.4 | 0.8 | 7.7 |
| D. russelii | 0.0 | 20.3 | 0.0 | 50.3 | 5.9 | 0.0 | 0.0 | 5.9 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 5.9 | 0.0 | 8.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.9 |
| J. belangerii | 0.0 | 7.1 | 0.0 | 30.2 | 0.0 | 0.0 | 0.0 | 37.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 17.9 | 7.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| J . borneensis | 0.0 | 15.7 | 0.0 | 15.0 | 0.0 | 0.0 | 0.0 | 50.8 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.5 | 7.9 | 0.0 | 0.5 | 0.0 | 3.9 | 0.0 | 1.4 |
| O. ruber | 0.0 | 50.0 | 0.0 | 32.1 | 5.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.6 | 3.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 5.4 |
| P. microdon | 0.0 | 13.5 | 0.0 | 63.6 | 0.0 | 0.0 | 0.0 | 2.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 18.6 |
| P. anea | 0.0 | 87.3 | 0.0 | 12.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| E. tetradactylum | 0.0 | 25.3 | 0.0 | 71.6 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| P. subviridis | 5.0 | 0.0 | 0.0 | 0.0 | 0.0 | 10.6 | 13.8 | 1.8 | 1.2 | 35.5 | 16.2 | 4.9 | 0.0 | 0.0 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 1.5 | 0.0 | 8.9 |
| T. lepturus | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| R. brachysoma | 0.4 | 0.0 | 1.3 | 0.1 | 0.0 | 47.3 | 0.9 | 0.3 | 0.1 | 20.9 | 17.0 | 8.0 | 0.0 | 0.0 | 0.3 | 0.2 | 0.0 | 0.0 | 0.0 | 2.9 | 0.0 | 0.3 |
| S. commerson | 0.0 | 99.4 | 0.0 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Average | 1.1 | 24.1 | 14.7 | 13.4 | 5.6 | 8.3 | 2.5 | 5.1 | 0.5 | 8.4 | 7.6 | 1.2 | 1.2 | 0.4 | 1.0 | 0.9 | 0.1 | 0.03 | 0.1 | 1.0 | 1.0 | 1.6 |