poisson inconnu Cdn French
a fresh-water food fish, Stenodus mackenzii, native to the rivers and lakes of the Yukon and the Northwest Territories, having pinkish flesh when prime and averaging about twelve pounds, though occasionally running as high as forty.
See also: inconnu
- 1789  (1801)  . . . the net . . . contained three of the poissons inconnus.
- 1908  The poisson inconnu, a species of salmon which ascends from the Arctic Ocean, is not found, he says, above this stream [the Salt River].