Lake Tebera Rainbowfish
Melanotaeniidae sp.
Lake Tebera Rainbowfish (Melanotaeniidae sp.) — Intermediate care, Peaceful, under Rainbowfish. Minimum tank in the app: 25 US gal min; aim for 68–79°F and pH 6.5–8. The Lake Tebera Rainbowfish is ideal for those seeking an active, visually striking addition to their aquarium, particularly in groups.

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
Australia / New Guinea
- Australia & Oceania
Regional colours match the stocking calculator’s origin map.
Lake Tebera Rainbowfish Tank Setup
Create a spacious layout with a mix of open swimming areas and dense plant cover to encourage natural behaviours. A soft substrate is beneficial for foraging, while moderate lighting can enhance their colours without causing stress. Ensure proper water flow to mimic their natural habitat, promoting healthy activity levels.
What Do Lake Tebera Rainbowfishs Eat?
They are omnivorous with a moderate feeding speed, so provide a varied diet to prevent competition-related stress. Flakes, pellets, and live or frozen foods will enhance their colour and health.
Lake Tebera Rainbowfish Tank Mates
Lake Tebera Rainbowfish are best paired with similarly sized, non-aggressive species that occupy the mid to upper levels of the tank. Ideal companions include other rainbowfish, small barbs, and peaceful tetras. Caution is advised with larger or more aggressive species, as they may intimidate or outcompete these delicate shoalers.
Are Lake Tebera Rainbowfishs Good for Beginners?
We rate this as intermediate. Budget time for testing, maintenance, and watching behaviour if the water looks fine but the fish do not. Aquarists often underestimate the importance of group size, leading to stress and diminished health in isolated individuals. neglecting water quality and parameters can result in disease outbreaks, particularly in these sensitive fish.
Building a community? Run the full list through the stocking calculator before you add anything else.
Log tests and reminders in App-aquatic—free, same data you see here.



