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Neon Rainbowfish
Melanotaenia praecox
Family: Melanotaeniidae
📍 Northeastern Australia
The neon rainbowfish is the smallest and most popular of the Melanotaenia rainbowfish. Males display vivid neon-blue bodies with striking red fins. A large school in a planted tank is a spectacular sight. Peaceful and easy to breed.
Keeping this species
- diet
- Omnivore – small flake, micro pellets, brine shrimp, daphnia
- lifespan
- 5–8 years
- max size
- 6 cm (2.4 in)
- tank size
- 20 gallons minimum
- school size
- 8+
- temperament
- Peaceful, active
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Tips from the community 💡
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Water it likes
- ph
- 6.5–7.5
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- hardness
- 5–15 dGH
- temperature
- 75–81°F (24–27°C)
Natural Habitat Temperature
68°F — 81°F seasonal range · (Jan low, Jun high)