The Kyushu bitterling (Rhodeus atremius) is a freshwater fish of the family Cyprinidae that grows up to 6 cm.
Description
The Japanese bitterling is a bitterling (Acheilognathidae) from East Asia. The species is small and laterally compressed; in the spawning season the male colours more brightly. For reproduction the female uses a long ovipositor to lay the eggs in the gill cavity of a living freshwater mussel, where the young grow up safely. It inhabits quiet, vegetated waters. It feeds on algae, detritus and small invertebrates. The species is harmless to humans.
Frequently asked questions
How do you recognise the Kyushu bitterling?
The Kyushu bitterling has a flattened, disc-shaped body, is mainly silver-grey and shows a plain pattern. The female lays the eggs in a living freshwater mussel with a long ovipositor.
Where does the Kyushu bitterling live?
The Kyushu bitterling lives in fresh water and is mostly found around mixed bottom. East Asia; calm vegetated waters.
How big does the Kyushu bitterling get?
The Kyushu bitterling grows to a maximum of about 6 cm.
Is the Kyushu bitterling dangerous to humans?
No, the Kyushu bitterling is harmless to humans. None required: this species is harmless to humans.
Is the Kyushu bitterling edible?
The Kyushu bitterling is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Rhodeus
More from the family Cyprinidae

Want the complete picture on the Kyushu bitterling?
Point your camera at the fish and Fin names the species in seconds. Free, and the Kyushu bitterling is one of 12,519 species in the app.