Neon Dwarf Rainbowfish (Melanotaenia praecox)

Fish in the family Melanotaeniidae. Easy care. Freshwater.

Quick facts

Scientific nameMelanotaenia praecox

FamilyMelanotaeniidae

Also known asDwarf Rainbowfish, Praecox Rainbowfish, Diamond Rainbowfish

Care levelEasy

Reef safetyFreshwater

TemperamentPeaceful

Dietomnivore

Adult size2.4 in

Minimum tank size20 gallons

Water parametersTemp 73-82°F, pH 6.5-7.8, GH 6-16 dGH

Appearance

Compact silvery-blue body that glows neon blue under good light, contrasted by red or orange fins.

Difficulty and care for the Neon Dwarf Rainbowfish

Easy

Origin and habitat

Mamberamo River basin, West Papua, Indonesia

Keeper notes

Peaceful, active schooler; the smallest commonly kept rainbowfish and well suited to community tanks.

Log Neon Dwarf Rainbowfish in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Neon Dwarf Rainbowfish alongside everything else in your reef.

Download Reef Trak See the full app