heterocercal fin

• 歪尾鳍

heterocercal fin的英文翻译是什么意思，词典释义与在线翻译：

英英释义

Noun:

1. a tail fin with unequal lobes in which the vertebral column turns upward into the larger lobe as in sharks

heterocercal fin的用法和样例：

例句

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。

heterocercal fin的相关资料：

近反义词

【反义词】

• homocercal fin 正尾鳍