Arcania heptacantha is reported and described herein for the first time from the west coast of India. Earlier only one species of the genus Arcania was reported from the West coast of India. A. heptacantha is different from closely resembled species A. septemspinosa in having uniformly granulated carapace and shorter merus of chelipeds in length.Taxonomic insight and distribution status of both the species have been given.

Arcania heptacantha, first record, distribution, taxonomy, India