常见问题 | 状态 | 注意 |
---|---|---|
America, North - Inland waters | introduced | includes Central America |
Asia - Inland waters | native | |
Europe - Inland waters | native | excludes former USSR |
Arctic Ocean | native | |
Pacific, Northwest | native | |
Pacific, Western Central | native | |
Pacific, Eastern Central | introduced | |
Pacific, Southwest | introduced |