Ecological characteristics :
Several underwater caves are also interesting naturalistic environment. At the entrance of the caves, there are seaweeds like the Peyssonnelia, (coralligenous). The caves have got populations characterized by the presence of fauna: protozoa, porypherous, molluscs, cnidarians, anellids, arthropods, bryozoans, brachiopods, echinoderms, tunicates and vertebrates. The species more abundant in the zones near the entrance are of incrust type: Agelas oroides, Aplysina cavernicola, Oscarella Iobularis, Chondrosia reniformis and Clathrina sps.