Acheilognathus melanogaster
Acheilognathus melanogaster, the genuine bitterling or Japanese bitterling, is a species of brackish, freshwater ray-finned fish in the genus Acheilognathus. It is endemic to Japan.
Acheilognathus melanogaster, the genuine bitterling or Japanese bitterling, is a species of brackish, freshwater ray-finned fish in the genus Acheilognathus. It is endemic to Japan.