Melanotaeniidaefreshwater fishintermediate

Lake Tebera Rainbowfish (Melanotaenia herbertaxelrodi)

Melanotaenia herbertaxelrodi

Origin: Lake Tebera, Papua New Guinea

L

Water Parameters

Temperature2025 °C
15 °C35 °C
pH78
49
GH (Hardness)515 °dGH
0 °dGH30 °dGH
KH (Alkalinity)38 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
10 cm
Min Tank
120 L
Lifespan
4-6
Swimming Level
middle
Schooling
Yes (6–12+)
Diet
omnivore
Temperament
peaceful

About

Named in honour of the late Dr. Herbert R. Axelrod, the Lake Tebera Rainbowfish (Melanotaenia herbertaxelrodi) from the Papua New Guinea highlands displays a striking yellow-green body with vivid red fin tips. It appreciates cooler water temperatures than many other rainbowfish. Groups of six or more allow males to display their full coloration as they posture against one another.

Care Guide

Keep in groups of at least 6 in an aquarium of 120 L or more. Provide cooler water (20–25°C) with moderate flow. Feed quality flake, small live foods, and frozen daphnia. Well-planted tanks with open swimming space are ideal. Males display vibrant colours in competition with each other.

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