heterocercal fin
常见例句
- 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。 返回 heterocercal fin