Sc. dial. [According to Jamieson, f. Gael. ceann head + dubhach blacking; melancholy, sorry.] A salmon that lies in the fresh water till summer without going down to the sea, and is consequently reckoned as foul; a black-fish. Also a later-spawning variety of salmon.
1793. Statist. Acc. Scotl., IX. 109 (Jam.). We have—a species of salmon, called by the country people candavaigs, that frequently do not spawn before the month of April.
