| Αρ. Αναφοράς | McPhail, J.D. and R. Carveth, 1993 |
| Οικοσύστημα | Salish Sea |
| Κατάσταση | native |
| Αφθονία | abundant (always seen in some numbers) |
| Στάδιο ζωής | adults |
| Τοπική βάση δεδομένων | |
| Σχόλια | From CA-BC. Freshwater records from Vancouver and the Queen Charlotte Islands, the lower Fraser, the Liard, Stikine, Taku and Alsek Rivers and rivers of the central coast. Uncertain record from the Teslin River. Also Ref. 6885, 1998. First definite Bri |