| Reference no. | McPhail, J.D. and R. Carveth, 1993 |
| Ecosystem | Salish Sea |
| Status | questionable |
| Abundance | scarce (very unlikely) |
| Lifestage | adults |
| Regional database | |
| Remarks | Introduced into Vancouver Island and the lower and middle Fraser (Ref. 10882). Marine occurrences to be confirmed. |