| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Chao Phraya River | River (basin) | native | 27732 |
| Great Lake | Lake | native | 33813 |
| Mae Klong | River (basin) | native | 26580 |
| Mekong | River (basin) | native | 27732 |
| Oriental | Zoogeographic realm | endemic | 40976 |
| Red River | River (basin) | native | 26563 |
| Salween | River (basin) | native | 26336 |
| Toba | Lake | native | 57970 |
| Tonle Sap | Lake | native | 33813 |
| Xi Jiang | River (basin) | native | 26563 |