| Country | Locality | Introduced | Year | Qualitative Value | Ref. |
|---|---|---|---|---|---|
| United States (contiguous states) | Buzzards Bay, Massachusetts | 1956 - 1957 | 91659 | ||
| United States (contiguous states) | Continental shelf off southern New England | 1963 - 1963 | 91658 | ||
| United States (contiguous states) | Continental slope off southern New England | 1963 - 1963 | extremely abundant | 91658 |