anal fin

美 [ˈeɪnl fɪn]英 [ˈeɪnl fɪn]
  • 臀鳍
anal finanal fin
  1. Anal fin rays ii , 5 ;

    臀鳍ii,5;

  2. Old World freshwater catfishes having naked skin and a long anal fin more or less merged with the eellike caudal fin .

    东半球的淡水鲇鱼,体表无鳞,有类似鳗鱼尾鳍的很长的臀鳍。

  3. Anterior portion of anal fin with narrow black margin .

    第一背鳍相当黑色,末梢部白色的与基部地。

  4. In addition , the anal fin has a curvature that fits the round shape .

    还有,尾鳍有一个弯曲度刚好适合鱼的圆型身体。

  5. Any of various freshwater fishes of the family Cyprinidae related to the carps and minnows , especially a Eurasian species , Leuciscus cephalus . " It has one dorsal and one anal fin , Both long and Both connected to the rounded tail . "

    白首鲤一种相关于鲤鱼和鲦鱼的鲤科淡水鱼,尤指欧亚品种,圆鳍雅罗鱼背鳍和臀鳍各一,形长,均与尾鳍基部相连,尾鳍圆形