| Ecosysteem | Type | Status | Ref. |
|---|---|---|---|
| Chao Phraya River | River (basin) | native | 26336 |
| Irrawaddy | River (basin) | native | 37788 |
| Mae Klong | River (basin) | native | 26580 |
| Mekong | River (basin) | native | 43281 |
| Oriental | Zoogeographic realm | endemic | 43281 |
| Salween | River (basin) | native | 26580 |
| Toba | Lake | native | 57970 |