1 literature reference:

Author: Pietsch, T.W., K. Amaoka, D.E. Stevenson, E.L. MacDonald, B.K. Urbain and J.A. López
Year: 2000
Title: Freshwater fishes of the Kuril Islands and adjacent regions.
Source: International Kuril Island Project (IKIP), University of Washington Fish Collection, Washington, 18 p. (webpage 20 September 2000)