河鲈,河鲈,helu,河鲈,helu,[拼音]:helu[外文]:Perca fluviatilis; river perch鲈形目河鲈科河鲈属的1种(见图)。又名五道黑。体椭圆形,稍侧扁,尾柄较细;头和体被小栉鳞;上下颌、犁骨及腭骨均有绒毛状细齿,无大犬齿;背鳍2个,前背鳍为硬棘,后背鳍为鳍条;胸鳍椭圆;腹鳍胸位;臀鳍起点在第二背鳍起点...