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Rocky reef associated macro invertebrates and urochordates of South Kerala Coast, India

Author Affiliations

  • 1Kerala State Biodiversity Board, Belhaven East Street, Belhaven Gardens, Nanthancodu, Thiruvananthapuram, 695003, Kerala, India and Department of Aquatic Biology and Fisheries, University of Kerala, Thiruvananthapuram 695581 Kerala, India
  • 2Department of Aquatic Environment Management, School of Fisheries RM & HT, Kerala University of Fisheries and Ocean Studies, Panangad, Kochi – 682506, Kerala, India
  • 3Department of Zoology, University of Kerala, Thiruvananthapuram -695581, Kerala, India
  • 4Amity Thiruvananthapuram Center for Marine Science and Technology 3 Ravi Nagar, Ambalamukku, Peroorkada, P.O., Thiruvananthapuram-695005, India

Res. J. Marine Sci., Volume 7, Issue (2), Pages 1-19, December,13 (2019)


The manuscript explores the diversity and assemblages of reef associated macro invertebrates and Urochordates of south Kerala coast. The paper also includes a minor Phylum (Urochordates). Quadrant (50cm) method was employed for the biodiversity assessment. A total of 231 macro-invertebrates belongings to seven Phyla were identified. Among them, Porifera (12species), Cnidaria (18species), Annelida (8species), Mollusca (115species), Platyhelminthes (2species), Arthropoda (53species), Echinodermata (23 species) and 6 species of ascidians are also included in this. Phylum Mollusca is the major Phyla with maximum number of species contribution and Platyhelminthes is least in the context. The result of the study shows a substratum dependent diversity of macro invertebrates′ in the reefs. In this delineation, the station II (Vizhinjam) made a proficient position by bagging a maximum number of animals (215) and presence of all Phyla recorded in the entire study. The station III is second in the line-up with 119 species of macro invertebrates and a species of Ascidia. Followed by the station IV (Thirumullavaram) and I (Mulloor) with lowest species representations of 78 and 25 respectively.


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