返祖现象

in hive-180932 •  5 months ago 

微信图片_20240414092502.jpg
观背青鱂真的返祖了,左上角和右上角的两条青鱂的体色就是最原始的体色,是由其他不同体色的种鱼杂交而出现的返祖现象。

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