Fin's Fish Guide
The Rainbow shark (Epalzeorhynchos frenatus) is a fish of the family Cyprinidae that grows up to 12 cm.
Description
The rainbow shark is a cyprinid (Cyprinidae) from clear, flowing rivers of the Mekong basin in Southeast Asia. The species grows to about 12 cm and has an elongate, dark-grey body with strikingly red-orange fins and an inferior mouth with which it grazes growth. As a territorial bottom-dweller it defends a patch of river bed and eats algae, biofilm, detritus and small invertebrates. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Rainbow shark?
The Rainbow shark is mainly black.
Where does the Rainbow shark live?
The Rainbow shark is mostly found around stony or rocky ground.
How big does the Rainbow shark get?
The Rainbow shark grows to a maximum of about 12 cm.
Is the Rainbow shark dangerous to humans?
No, the Rainbow shark 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 Epalzeorhynchos
More from the family Cyprinidae
Want the complete picture on the Rainbow shark?
Point your camera at the fish and Fin names the species in seconds. Free, and the Rainbow shark is one of 12,519 species in the app.