Melanotaeniidaefreshwater fishintermediate

Ok Tedi Rainbowfish

Melanotaenia oktediensis

Also known as: Ok Tedi Rainbowfish

Origin: Papua New Guinea (Ok Tedi River)

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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
10 cm
Min Tank
120 L
Lifespan
5-7
Swimming Level
middle
Schooling
Yes (6–12+)
Diet
omnivore
Temperament
active, peaceful schooling fish

About

Melanotaenia oktediensis is native to the Ok Tedi drainage, a tributary of the Fly River in western Papua New Guinea. It displays attractive yellow-gold body colouration with iridescent blue scale edges and vivid red-orange fins in males. A well-maintained aquarium with good water quality will bring out the best colouration in this species.

Care Guide

Water: 24–28°C, pH 7.0–8.0, moderately hard water. Tank: 120 L+, planted with open swimming space and regular water changes. Feeding: Omnivore; varied diet of flakes, pellets, and frozen/live foods. Behaviour: Active, peaceful schooling fish; best displayed in mixed-sex groups. Compatibility: Good community fish with similarly sized rainbowfish and peaceful species.

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