| J | F | M | A | M | J | J | A | S | O | N | D | Country | Locality |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 111 | Cambodia | Mekong basin at Sambor | |||||||||||
| 111 | Viet Nam | Mekong Delta at Hong Ngu, Dong Thap Province | |||||||||||
| 111 | Viet Nam | Mekong Delta at Tam Nong, Dong Thap Province | |||||||||||
| 111 | 111 | 111 | Mekong mainstream | ||||||||||
| 111 | Cambodia | Tonle Sap and Great Lake, 1995-1997 |