- belonging to the Percoidea, a group of acanthopterygian fishes comprising the true perches and related families, and constituting one of the largest natural groups of fishes.
- resembling a perch.
- of, relating to, or belonging to the Percoidea, a suborder of spiny-finned teleost fishes including the perches, sea bass, red mullet, cichlids, etc
- of, relating to, or resembling a perch
- any fish belonging to the suborder Percoidea
