Fin's Fish Guide
The Pygmy rainbowfish (Melanotaenia pygmaea) is a freshwater fish of the family Melanotaeniidae that grows up to 6 cm.
Description
The Pygmy rainbowfish is a rainbowfish (Melanotaeniidae) from fresh water of the Kimberley region in northwestern Australia. The species grows to about 5 cm and has a deep, laterally compressed body that gleams handsomely; courting males colour more intensely. This is one of the smallest rainbowfishes. 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 Pygmy rainbowfish?
The Pygmy rainbowfish has a torpedo-shaped body and is mainly silver-grey.
Where does the Pygmy rainbowfish live?
The Pygmy rainbowfish lives in fresh water and is mostly found around mixed bottom. Oceania: Australia
How big does the Pygmy rainbowfish get?
The Pygmy rainbowfish grows to a maximum of about 6 cm. On average the species is around 4 cm.
Is the Pygmy rainbowfish dangerous to humans?
No, the Pygmy 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 Pygmy rainbowfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Pygmy rainbowfish is one of 12,519 species in the app.