Melanotaeniidaefreshwater fishintermediate

Sepik Rainbowfish

Glossolepis multisquamatus

Also known as: Sepik Rainbowfish, Multiscale Rainbowfish

Origin: Papua New Guinea (Sepik 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
16 cm
Min Tank
300 L
Lifespan
5-8
Swimming Level
middle
Schooling
Yes (4–8+)
Diet
omnivore
Temperament
active, powerful but peaceful schooling fish

About

Glossolepis multisquamatus is found throughout the Sepik River basin, the second longest river in Papua New Guinea. It is one of the largest rainbowfish species, with males able to reach 16 cm. The silvery body is heavily overlaid with orange-red scale iridescence that intensifies under bright lighting. A powerful swimmer requiring a very large, well-filtered aquarium.

Care Guide

Water: 24–28°C, pH 7.0–8.0, moderately hard water. Tank: 300 L+ minimum; robust filtration and regular large water changes essential. Feeding: Omnivore; large flakes, pellets, and generous portions of frozen/live foods. Behaviour: Active, powerful, and peaceful schooling fish; can disturb delicate plants. Compatibility: Best with other large rainbowfish and robust community species.

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