Halimeda Decorator Crab - Huenia heraldica

Huenia heraldica is a species from Epialtidae family.
Description of male: The carapace elongate triangular in outline, the dorsal surface markedly depressed and flattish. The gastric region has three tubercles placed in a triangle, the base forwards; the cardiac region mounted with a conical tubercle. The antero-lateral border has two lobules, the anterior or hepatic one being usually smaller and very often quite rudimentary, the posterior or branchial one being usually laterally produced.. more