1 literature reference for Oncorhynchus masou (Brevoort, 1856):

Author: Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino
Year: 1984
Title: The fishes of the Japanese Archipelago. Vol. 1.
Source: Tokai University Press, Tokyo, Japan. 437 p. (text)