| 常見問題 | 狀態 | 注意 |
|---|---|---|
| America, North - Inland waters | native | includes Central America |
| Asia - Inland waters | introduced | |
| Europe - Inland waters | introduced | excludes former USSR |
| Oceania - Inland waters | introduced | |
| Atlantic, Northwest | native | |
| Atlantic, Northeast | introduced | |
| Atlantic, Western Central | native |