Noun
Any member of the subfamily Holocentrinae of the family Holocentridae of ray-finned fish.
A sand perch (Diplectrum)
Source: en.wiktionary.orgCleaner fish further Cleaning symbiosis : a small cleaner wrasse (Labroides dimidiatus) with advertising coloration services a big eye squirrelfish ( Priacanthus hamrur ) in an apparent example of reciprocal altruism. Source: Internet
Each of the five decks of the ship offers squirrelfish, rare sponges, Goliath groupers, urchins, and more. Source: Internet