In addition, these four kinds of megalopa are different on the fifth pleopod, third maxilliped and fifth pereiopod.

其次，四种蟳大眼幼体在五、三颚及五步都有较明显差异。

D. frascone's fourth and fifth pairs of pereiopods on the carapace have hooked ends and therefore enable them to carry things.

位于背四对及五对步，末端 呈钩状，使疣面关公蟹具有携物之能力。