“…There are 28 species worldwide, comprises of genera Cardisoma [9] with five species, Discoplax [12] with three species, Epigrapsus [6] with two species, Gecarcinus [10] with four species, Gecarcoidea [13] with three species, Johngarthia [26] with six species, and Tuerkayana [6] with five species [27]. In Southeast Asia, there are six recorded species, i.e., Cardisoma armatum, Cardisoma carnifex, Discoplax longipes, Gecarcoidea lalandii, Tuerkayana hirtipes, and Tuerkayana rotundum [3,18]. However, hitherto there is no record of the species richness of this land crab in Indonesia although it is known as 1275 (2023) 012038 IOP Publishing doi:10.1088/1755-1315/1275/1/012038 2 one of the countries that has megabiodiversity.…”