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馒头蟹一般公母哪个大
更新时间: 2020-11-03 00:00:00  

馒头蟹一般母蟹比较大,公蟹比较小一些,馒头蟹的头胸甲宽度大于长度,宽77mm,长51.5mm,额窄分呈2齿,眼窝背缘后面各有一半环状的紫色斑纹。

我国馒头蟹已发现有6种,多生活于暖海中,公鸡馒头蟹Calappagallus(Herbst)生活于水深15-100m的珊瑚礁和浅海内。

关键词: 馒头 一般 哪个

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