meaning of perciformes
1. An extensive tribe or suborder of fishes, including the true perches (Percidae); the pondfishes (Centrarchidae); the sciaenoids (Sciaenidae); the sparoids (Sparidae); the serranoids (Serranidae), and some other related families.
2. one of the largest natural groups of fishes of both marine and fresh water: true perches; basses; tuna