Japanese Bitterling

Acheilognathus melanogaster

A bitterling endemic to Japan

Black
Temperate
Regional distribution
East Asia
Compressed cross-section
Small
Temperate fish

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.

Class: Teleosts
Order: Minnows, Carps, and Loaches
Family: Cyprinidae
Genus: Acheilognathus