| Acheilognathus melanogaster | |
|---|---|
| | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cypriniformes |
| Suborder: | Cyprinoidei |
| Family: | Acheilognathidae |
| Genus: | Acheilognathus |
| Species: | A. melanogaster |
| Binomial name | |
| Acheilognathus melanogaster | |
| Synonyms | |
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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.