| Kyushu bitterling | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cypriniformes |
| Family: | Cyprinidae |
| Genus: | Rhodeus |
| Species: | R. atremius |
| Binomial name | |
| Rhodeus atremius (D. S. Jordan & W. F. Thompson, 1914) |
|
The Kyushu bitterling, Rhodeus atremius, is a temperate freshwater fish belonging to the Acheilognathinae sub-family of the Cyprinidae family. It originates on Kyushu Island in Japan. It was originally described as Acanthorhodeus atremius by Jordan & Thompson in 1914.
The fish reaches a size of up to 6 centimetres (2.4 in), and is native to freshwater habitats with a pH of 6.8 to 7.8, a hardness of 20 DH, and a temperature of 10° to 25° C (50° to 77° F).
When spawning, the females deposit their eggs inside bivalves, where they hatch and the young remain until they can swim.