| coastal mangrove | 0.39 | The slick has also reached coastal mangrove swamps and wetlands. | ||
| protected mangrove | 0.33 | Black muck spread through protected mangrove swamps, covering birds, crabs and fish. | ||
| impenetrable mangrove | 0.26 | Four villages built on exposed sand spits were washed into the lagoon, which remains littered with bodies caught in impenetrable mangroves. |