Dwarf Neon Rainbowfish

The Dwarf Neon Rainbowfish (Melanotaenia praecox) is a small, bright blue species of rainbowfish native to New Guinea.

Minimum Tank Size: 20 Gallons

Maximum Fish Size: 3″

Water Temperature: 73F – 83F

Ideal pH: 6.8 – 7.5

Water Hardness: 8 – 12 dGH

Temperament: Schooling species, peaceful and active. May be timid in too small of a school. Best results in large groups of 10+ members.

Unless experienced with fish-in cycling, we always suggest cycling an aquarium BEFORE adding fish. Adding fish to a fresh, un-cycled aquarium can kill them rapidly. We offer free water testing at our physical location, and advice via email or call.