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

其次，四种蟳大眼幼体在第五泳、第及第五步都有较明显的差异。

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

甲上的第四对及第五对步，末端 呈钩状，使疣面关公蟹具有携物之能力。