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Melanotaenia affinis

Melanotaenia affinis

Also known as: Melanotaenia affinis

Origin: Papua New Guinea (northern lowlands)

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Water Parameters

Temperature2428 °C
15 °C35 °C
pH78
49
GH (Hardness)818 °dGH
0 °dGH30 °dGH
KH (Alkalinity)310 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
12 cm
Min Tank
150 L
Lifespan
5-8
Swimming Level
middle
Schooling
Yes (6–12+)
Diet
omnivore
Temperament
active, peaceful schooling fish

About

One of the most widely distributed rainbowfish in New Guinea, Melanotaenia affinis is found across a vast range of lowland habitats in both Papua New Guinea and West Papua. Colouration varies significantly between populations. A robust and adaptable species that is easy to keep and breed, producing excellent colour in males when maintained in good conditions.

Care Guide

Water: 24–28°C, pH 7.0–8.0, moderately hard water. Tank: 150 L+, open swimming space with plants at the margins. Feeding: Omnivore; quality flakes, pellets, and frozen/live supplement foods. Behaviour: Active, peaceful schooling fish; variable colour between populations. Compatibility: Excellent community fish with other rainbowfish and peaceful mid-sized species.

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