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Objective: To study the echinoderms diversity in Mudasalodai and Pazhayar landing centers during November 2012 to December 2014. Methods: All the collected echinoderm samples were stored at 4 °C until further use. Results: As many as 19 species of echinoderms were recorded in both stations and it belongs to 10 families, three classes such as Asteroidea, Echinoidea and Ophiuroidea. The percentage composition varied from 0.15% to 73%. The species diversity ranged from 1.031 to 2.6; species richness was from 1.02 to 4.06 and species evenness ranged from 0.93 to 0.99. K-dominance curve drawn paralleled the trend of diversity indices. Cluster and multidimensional scaling showed the similarity in echinoderms composition within the stations. Conclusions: The present investigation is evident that the echinoderm occurrence was predominant during the summer season and proved statistically by using SPSS Primer 6.0.

Diversity assessment of echinoderms from Mudasalodai and Pazhayar in the southeast coast of India