The members of the family Percichthyidae are known as the temperate perches. They belong to the order Perciformes, the perch-like fishes.

Perciformes, also called the Acanthopteri, is an order or superorder of ray-finned fish in the clade Percomorpha. Perciformes means "perch-like". Among the well-known members of this group are perch and darters (Percidae), sea bass and groupers (Serranidae).