corals which are most abundant on the boulders. Orbicella amiulans, O. franksi, O. faveolata, Dendrogyra cylindrus, Porites astreoides, P. porites, Diploria strigosa, D. clivosa. D labyrinthifonnis Gorgonia sp. and Millepora sp. and sponges Aplysinafidva, Amphiniedon compressa and Ircinia sp. are present