Diversity of crabs in the intertidal zone at Sundak Beach, Gunungkidul, Indonesia

摘要

Crabs are members of the subphylum Crustacea that can be found in various habitats, such as in the intertidal zone at Sundak Beach. However, Sundak Beach is a popular tourist attraction with tremendous activities in the intertidal zone. This can cause habitat loss of crabs. Information on the diversity of crabs at Sundak Beach is still limited. Therefore, this study aims to conduct crabs inventory at Sundak Beach. Samples were collected at night in Aug 2016 and Jan 2017 using purposive sampling method. The results showed that 16 species from six families were found at Sundak Beach, including Calappa gallus (Calappidae); Eriphia scabricula (Eriphiidae); Grapsus albolineatus and Percnon planissimum (Grapsidae); Tiarinia cornigera (Majidae); Charybdis annulata, Portunus granulatus, Portunus pubescens, Thalamita coeruleipes, Thalamita intermedia, Thalamita prymna, and Thalamita sima (Portunidae); Actaeodes tomentosus, Atergatis floridus, Ozius rugulosus, and Zosimus aeneus (Xanthidae).