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A review of nudibranch (Mollusca: Euthyneura) diversity from the Republic of Mauritius: status and future work

Lisa K.Y. Ah Shee Tee
Daneshwar Puchooa
Vishwakalyan Bhoyroo
Chandani Appadoo


Nudibranchs are considered as one of the most diverse group of opisthobranchs. Their history in Mauritius dates back from 1832, with first records arising from expedition reports and systematic works. Recent review of their biodiversity in Mauritius identified 23 species. The present study provides a list of nudibranchs species using data from both systematic works and internet records as a means of keeping up an inventory from the Republic of Mauritius. 105 species belonging to 20 families (excluding undescribed taxa and those recorded as cf.) have been identified in Mauritius. Most species have been collected in the north-west part of the island which is dominated by hotels and not subjected to easterlies which could be one reason explaining their abundance. Providing a list of nudibranchs species is important, to be able to design better ways of conserving them in the future, if the need arises. With a wide maritime zone and considered as a striking biodiversity hotspot, further species might be discovered from both Mauritius and Rodrigues.