| Benthic life form | Siompu Island | Liwutonkidi Island | Kadatua Island | Average | ||
|---|---|---|---|---|---|---|
| BTNC-D | BTNC-17 | BTNC-C | BTNC-13 | BTNC-14 | ||
| Hard coral (HC = AC + NAC) | 43.8 | 23.5 | 44.5 | 40.1 | 33.5 | 37.1 |
| 11.5 | 4.1 | 11.1 | 7.7 | 27.3 | 12.3 | |
| Non | 32.3 | 19.4 | 33.3 | 32.4 | 6.3 | 24.8 |
| Recent dead coral (DC) | 0.1 | 0.0 | 0.1 | 0.1 | 0.3 | 0.1 |
| Dead coral with algae (DCA) | 48.6 | 17.6 | 47.9 | 23.8 | 39.9 | 35.6 |
| Soft coral (SC) | 0.5 | 0.3 | 0.1 | 0.1 | 1.2 | 0.4 |
| Sponge (SP) | 3.4 | 6.0 | 3.2 | 2.7 | 11.1 | 5.3 |
| Fleshy seaweed (FS) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other biota (OT) | 0.1 | 0.8 | 0.5 | 0.7 | 0.6 | 0.6 |
| Rubble (R) | 1.8 | 48.7 | 1.3 | 31.3 | 13.5 | 19.3 |
| Sand (S) | 1.7 | 3.1 | 2.5 | 1.1 | 0.0 | 1.7 |
| Silt (SI) | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 |
| Rock (RK) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Total | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |