noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of the small colourful freshwater fish in the family Melanotaeniidae, native to northern and eastern Australia, New Guinea and Indonesia.

Synonyms

All synonyms

guppyguppylebistes reticulatus

Etymology

From rainbow + fish.

Related phrases

ornate rainbowfishspotted rainbowfishnew guinea

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.