Fin's Fish Guide
The Arfak rainbowfish (Melanotaenia arfakensis) is a freshwater fish of the family Melanotaeniidae that grows up to 8 cm.
Description
The Arfak rainbowfish is a rainbowfish (Melanotaeniidae) from clear streams, lakes and swamps of the Arfak Mountains of New Guinea. The species grows to about 10 cm and has a deep, laterally compressed body; dominant males colour up spectacularly with blue, yellow, red or green tints that glow in the morning light. As a social schooling fish it swims in the upper and middle layer and snaps at insects, larvae, small invertebrates and algae. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Arfak rainbowfish?
The Arfak rainbowfish has an elongate, eel-like body and is mainly multicoloured.
Where does the Arfak rainbowfish live?
The Arfak rainbowfish lives in fresh water and is mostly found around open water. Asia: Indonesia
How big does the Arfak rainbowfish get?
The Arfak rainbowfish grows to a maximum of about 8 cm.
Is the Arfak rainbowfish dangerous to humans?
No, the Arfak 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.
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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 Arfak rainbowfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Arfak rainbowfish is one of 12,519 species in the app.