| J | F | M | A | M | J | J | A | S | O | N | D | Country | Locality |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 111 | 111 | 111 | 111 | Bangladesh | Bangladesh | ||||||||
| 111 | 111 | 111 | India | Lake Kolleru | |||||||||
| 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | Mekong mainstream | |||||
| 111 | 111 | 111 | Thailand | Mekong mainstream at Chiang Khong Province | |||||||||
| 111 | 111 | 111 | Viet Nam | Mekong mainstream at Dong Thap Province |