Aquarist Species:  Melanotaenia praecox

Aquarist: RockyMountainplecos

Species Profile: Melanotaenia praecox

Common Name:   Dwarf Neon Rainbow

Species Photo by: Kyle Carlson

Description:   Melanotaenia praecox have an intense, bright neon blue body with red dorsal, anal, and caudal fins. They may reach a maximum size of 8 cm, but usually less than 5 cm SL. Males are generally larger and more colourful than the females. The fins of females often show a yellow-orange colour as well.

Category:   Rainbowfish

Global Region:   Oceania

Distribution:   

Aquarist Notes

Genetic Line:   Aquarium Strain

Year Acquired:   2026

Spawning notes:

Species Spawned:   Yes

Typical mop spawner

Have Reared Fry?   Yes

Can be left with adults or pick eggs for more fry.

Young fish available?   Yes