Definition of rainbowfish in English:

rainbowfish

noun

  • Any of a number of small brightly coloured fish of warm waters.

    • ‘Surface feeders such as rainbowfish will benefit greatly from feeding vinegar eels, but a lot of cichlid fry are bottom feeders.’
    • ‘Visual cues alone allow for the expression of a preference for familiars in guppies and rainbowfish.’

Pronunciation

rainbowfish

/ˈreɪnbəʊfɪʃ/