Rediscovery of Acheilognathus typus in Lake Izunuma-Uchinuma basin

Abstract

We rediscovered Acheilognathus typus in Lake Izunuma-Uchinuma basin in autumn 2006. This species is designated an Endangered species in the Red list of Japan. A. typus had not been captured in Lake Izunuma-Uchinuma basin since 2000.To protect A. typus in this area, the following research of the distribution of the population needs to be conducted.