hemi-heterocercal fin

英 美
  • 拟歪尾鳍
  • fin n.鳍;鱼翅;鳍状物;散热片;五元纸币
  • hemi pref.表示“半;偏侧;单侧”
  • heterocercal adj.[动]歪尾的
    1. The lower lobe of the deeply forked caudal fin is longer than the upper lobe.
      尾鳍深叉型,下叶比上叶长。
    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。