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橙棘吊的外形特点

作者:尘风发布:2014-08-05 2:33:39阅读:1,394次

橙棘吊的外形特点
橙棘吊(详情介绍)

  橙棘吊背鳍鳍棘总数为9条,背鳍软条总数为25-26条,臀鳍鳍棘为3条,臀鳍软条为23-24条。成年的橙棘吊最大体长可以达到35厘米,繁殖期一般一个月左右可以繁殖一次,但是由于个体差异也会有时间差。

  橙棘吊的成鱼体呈椭圆形而侧扁,头小,头背部轮廓随着成长而凸出。口小,端位,上下颌各具一列扁平齿,齿固定不可动,齿缘具缺刻。背鳍及臀鳍硬棘尖锐,各鳍条皆不延长;胸鳍近三角形;尾鳍弯月形,随着成长,上下叶逐渐延长。成鱼体棕黑色,瞳孔前后各有一橙色斑点,胸鳍基部以下部分橙褐色。尾棘鲜橙色,因此得名“橙棘吊”。尾鳍黑色,接近尾柄处以及上下叶缘具白色带。

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