Definition of red perch in US English:

red perch

noun

  • 1Chiefly Australian and NZ any of several reddish serranid fishes; (now especially) the edible butterfly perch, Caesioperca lepidoptera.

  • 2US the yellow perch, Perca flavescens.

  • 3Chiefly US the redfish or ocean perch, Sebastes marinus.

Origin

Mid 18th century.