| Referencia número | McPhail, J.D., 1993 |
| Ecosistema | Juan de Fuca Strait |
| Estado | native |
| Abundancia | abundant (always seen in some numbers) |
| Estadio de desarrollo | adults |
| Base de datos regional | |
| Observaciones | From CA-BC. Occurs along the coast (Ref. 4925). Freshwater records from Vancouver and the Queen Charlotte Islands, the lower Fraser, the Stikine, Taku and Alsek Rivers, and rivers of the central coast (Ref. 10882). Locally abundant around the Strait of |