| Khu vực của FAO | Hiện trạng | Ghi chú |
|---|---|---|
| Africa-Inland Waters | introduced | Complete |
| America, North - Inland waters | native | includes Central America |
| America, South - Inland waters | introduced | |
| Asia - Inland waters | introduced | |
| Europe - Inland waters | introduced | excludes former USSR |
| Oceania - Inland waters | introduced | |
| Antarctica - Inland waters | native | Split-year (1 July - 30 June) |
| Atlantic, Northwest | native | |
| Atlantic, Northeast | introduced | |
| Pacific, Northwest | introduced | |
| Pacific, Northeast | introduced |