| Country | Locality | Introduced | Year | Qualitative Value | Ref. |
|---|---|---|---|---|---|
| Hong Kong | Tolo Channel and Tolo Harbour | 1975 - 1975 | very common | 126479 | |
| Hong Kong | Tolo Channel and Tolo Harbour | 1980 - 1980 | rare | 126479 | |
| Hong Kong | Tolo Channel and Tolo Harbour | 1986 - 1986 | very common | 126479 |