Definition of beaconfish in English:


nounPlural beaconfishes

  • A popular aquarium characin from tropical South America, with a red and gold spot near the base of the tail fin and another near the eye.

    Hemigrammus ocellifer, family Characidae

    • ‘The deep body outline of the Beacon Fish follows the general tetra pattern.’
    • ‘Phenotypically beacon fish are brown to greenish-yellow in color with a silvery iridescence.’