one of the largest natural groups of fishes of both marine and fresh water: true perches; basses; tuna
source: WordNet 3.0
An extensive tribe or suborder of fishes, including the true perches (Percidæ); the pondfishes (Centrarchidæ); the sciænoids (Sciænidæ); the sparoids (Sparidæ); the serranoids (Serranidæ), and some other related families.