| Αρ. Αναφοράς | Hart, J.L., 1973 |
| Οικοσύστημα | Salish Sea |
| Κατάσταση | native |
| Αφθονία | common (usually seen) |
| Στάδιο ζωής | adults |
| Τοπική βάση δεδομένων | |
| Σχόλια | From CA-BC. Occurs along the coast. 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). Banned from commercial exploitation in northern Br |