A sea-run specimen of Oncorhynchus rhodurus Jordan et McGregor was collected by a set net on May 8, 1977 on the Echizen Coast in Fukui Prefecture, facing the Japan Sea.Counts and measurements on this specimen are presented.It is presumed that this salmonid fish is derived from the amago O.rhodurus which was previously introduced artificially into the upper streams of Kuzuryu River tributaries or the Kuroko River in Fukui Prefecture.
