Fin's Fish Guide
The Australian rainbowfish (Melanotaenia fluviatilis) is a freshwater fish of the family Melanotaeniidae that grows up to 11 cm.
Description
The Australian rainbowfish is a rainbowfish (Melanotaeniidae) from fresh water of the Murray-Darling basin in eastern Australia. The species grows to about 11 cm and has a deep, laterally compressed body that gleams handsomely; courting males colour more intensely. The silvery body bears rows of red dots and gleams greenish. As a schooling fish it lives in clear, plant-rich streams and lakes and eats small insects, larvae and algae. The fish is harmless to humans and is popular in the aquarium trade.
Frequently asked questions
How do you recognise the Australian rainbowfish?
The Australian rainbowfish has a torpedo-shaped body and is mainly silver-grey.
Where does the Australian rainbowfish live?
The Australian rainbowfish lives in fresh water and is mostly found around mixed bottom. Oceania: Australia
How big does the Australian rainbowfish get?
The Australian rainbowfish grows to a maximum of about 11 cm. On average the species is around 9 cm.
Is the Australian rainbowfish dangerous to humans?
No, the Australian rainbowfish 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 Melanotaenia
More from the family Melanotaeniidae
Want the complete picture on the Australian rainbowfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Australian rainbowfish is one of 12,519 species in the app.