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

位于背甲上的第及第足，末端 呈钩状，使疣面关蟹具有携物之能力。

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

其次，大眼幼体在第泳足、第三颚足及第足都有较明显的差异。