Addition to the opisthobranchiate (Opisthobranchia, Mollusca) fauna of Andaman and Nicobar Islands, India

Abstract

Opisthobranchs are marine gastropod mollusks, which are noted for their often extraordinary colors and striking forms. Opisthobranchs falls under the least studied category of mollusks not only from Andaman and Nicobar Islands but also in entire Indian waters. The taxonomy and ecology of these animals of these Islands recently gained an attention after about a century of the publication by Eliot, 1910. The present work deals with 20 species of opisthobranchs, belonging to 11 families of these 17 species are new to the Indian waters.