caudal fan
英
美
- caudal adj.尾部的;近尾部的
- fan n.风扇;扇子;扇形物n.迷;狂热爱好者vt.扇;展开扇形;煽动vi.成扇形;[棒]三振出局
- 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。
- 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。