Fin's Fish Guide
The Suigen bitterling (Rhodeus suigensis) is a freshwater fish of the family Cyprinidae that grows up to 6 cm.
Description
The Suigen bitterling is a small cyprinid relative (Acheilognathidae) from slow-flowing fresh water of Korea and adjacent East Asia. The species grows to about 6 cm and has a deep, laterally compressed, silvery body that lights up with blue and pink tints in spawning males. Characteristically the female uses a long ovipositor to lay her eggs in the gill cavity of a living freshwater mussel, where the larvae grow up safely. Through habitat loss the species is endangered. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Suigen bitterling?
The Suigen bitterling has a torpedo-shaped body and is mainly silver-grey.
Where does the Suigen bitterling live?
The Suigen bitterling lives in fresh water and is mostly found around mixed bottom. Asia: Japan, Korea (North), Korea (South)
How big does the Suigen bitterling get?
The Suigen bitterling grows to a maximum of about 6 cm.
Is the Suigen bitterling dangerous to humans?
No, the Suigen bitterling is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
More photos
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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 Suigen bitterling?
Point your camera at the fish and Fin names the species in seconds. Free, and the Suigen bitterling is one of 12,519 species in the app.