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Definition of neon rainbowfish

neon rainbowfish

Plural:neon rainbowfish
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• noun

1

A small, schooling freshwater fish (Melanotaenia praecox) native to the Mamberamo River basin in West Papua, Indonesia, highly valued in the aquarium hobby for its iridescent blue scales and contrasting bright red or yellow fins.

Example

"The hobbyist carefully acclimated a school of neon rainbowfish to her planted community aquarium."

• Nearby Words

neolithic
neomarica
neon
neon rainbowfish
neon tetra
neonatal
neoprene

Cite this Entry

Wordmom. (2026). Definition of Neon rainbowfish. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/neon-rainbowfish
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