Clarification note on taxonomic identification of Atergatis ocyroe (Herbst, 1801) (Crustacea: Decapoda: Xanthidae): New distributional record from the Port Blair coast, Andaman & Nicobar Islands, India

摘要

A survey was conducted to study the distribution of brachyuran crabs along the coast of south Andaman Island during 2015-2018. The investigation confirmed the occurrence of Atergatis ocyroe (Herbst, 1801) from the Port Blair Coast of Andaman & Nicobar Islands, India. From a comprehensive study of standard literature, it was evident that A. ocyroe was misidentified as A. floridus and these two species do not co-exist in the same geographical area. Hence, the existence of A. floridus in Andaman and Nicobar Islands is doubtful. The confirmed distributional record of A. ocyroe across the Indian Ocean is provided and discussed with its taxonomy, and detailed description along with photograph and line diagram is provided in this study.