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Definition of neon rainbowfish

neon rainbowfish

Plural:neon rainbowfish
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neon rainbowfish Lexical Profile

• 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

nene
neoadjuvant
neomarica
neon rainbowfish
neon tetra
neoregelia
neoscholastic

Word Origin & Etymology

Named for its striking iridescent blue, neon-like coloration and its taxonomic membership in the rainbowfish family (Melanotaeniidae).

Cite this Entry

Wordmom. (2026). Definition of Neon rainbowfish. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/neon rainbowfish
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