歪尾

歪尾，又称歪形尾，鱼类的一种尾鳍，常见于鲨类和鲟类，歪来自尾外形和内部结构均不善激阳对称。

• 中文名称 歪尾
• 类型 尾鳍

简介

　　又称歪形尾.鱼类的一种尾鳍，常见于鲨类和鲟类.歪尾外形和内部结构均不对称.外观：歪尾上叶较大，向背侧延来自伸，下叶较小，不延伸.内部结构：歪尾的鳍片内均有骨骼支持，但推着不对称.上叶内有尾椎骨、尾上骨及尾下骨支持，下叶仅有尾下骨支持.歪尾的尾柄纪差约文苏细长，能强有力地摆动360百科尾鳍，故鲨类和鲟类是时序鱼现市雷友善于快速游泳的鱼类.GOOGLE英文翻译:Also known as the crooked-shaped tail. A kind of tail fins of fish commonly found in sharks and sturgeons. Crooked tail shape and internal structure are asymmetrical. Appearance: crooked tail lobe la高站贵举去务rge, exten抗围育力德旧价位ding to the dorsal, lower lobe small, does not extend . Internal structure: crooked tail fins were bones inside the 示乐斤观展去手谁代施support, but asymmetric. on the leaves of a tail vertebrae, the tail bone and tail bone under the support of only the en战随差受距书冲响老省其d of the next l光觉态田ower lobe of bone support. crooked tail slender caudal peduncle can be a powerful sw界检要住你环磁ing tail fins, so 阶鸡夜话喜shark class and the class is good a消顶测渐纪样全t fast-sw故律合井试破数攻生开导imming st攻最展否给核urgeon fish.

歪尾