Acheilognathus rhombeus

Acheilognathus rhombeus is a temperate freshwater fish belonging to the family Acheilognathidae, the bitterlings. It originates in Japan and the Korean Peninsula. It was originally described as Capoeta rhombea by Temminck & Schlegel in 1846. It is the type species for the genus Acheilognathus.

Acheilognathus rhombeus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Cypriniformes
Suborder:	Cyprinoidei
Family:	Acheilognathidae
Genus:	Acheilognathus
Species:	A. rhombeus
Binomial name
Acheilognathus rhombeus (Temminck & Schlegel, 1846)
Synonyms[1]
Capoeta rhombea Temminck & Schlegel, 1846 Acheilognathus steenackeri Sauvage, 1883

When spawning, the females deposit their eggs inside bivalves, where they hatch and the young remain until they can swim.