Any of various spiny-finned freshwater fishes of the genus Perca,especially either of two edible species,P. flavescens,of North America,and P. fluviatilis,of Europe.

• 河鲈，任何一种有刺状鳍的鲈属淡水鱼，尤指两种可食用类，北美洲的金鲈和欧洲的河鲈。