Fishician®
Aquarium species profile

Neon Dwarf Rainbowfish

Melanotaenia praecox · New Guinea (Mamberamo River)

Minimum tank20 gal
Adult size2.5"
Care levelEasy
TemperamentPeaceful
Temperature74–80°F
pH range6.5–7.5

Diet

Omnivore – micro pellets, flake, frozen brine shrimp

Compatible tank mates

Small tetras, Corydoras, livebearers, other rainbowfish

Tank mates to avoid

Very aggressive or large fish

Care notes

Stunning nano rainbowfish — males display iridescent electric blue body with vivid red fins. Keeps its brilliant color at only 2.5 inches. Best in schools of 6+. Very active and peaceful. One of the most popular rainbowfish in the hobby.

Check the whole aquarium. Tank size alone does not establish compatibility. Confirm adult size, water overlap, social grouping, territory, diet, and the individual animals before stocking.

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