Spermonde Community Structure Konservasi Selayar bivalvia community structure marine gastropods struktur komunitas top shell ??-Sitosterol Ascidian Bioactivity Coremap Haliotis Haliotis rubra Hydroid Aglaophenia cupressina Lamoureoux Mangrove Pulau Gusung Rhopalaea sp Tripneustes gratilla Linn biological aspects blacklip abalone diversity endangered species gastropoda giant clam growth rate herbivorous feeding isometric length and weight correlation moluska laut padang lamun reproductive physiology survival ??-sitosterol AAS Aglaophenia Aglaophenia cupressina Lamoureoux Anadara antiquata Anadara inflata Antibacterial Antibakteri Antimicrobial Antimitotic Antimitotik Biodiversity Gastropods Biologi Blast fishing Blood shell A.granosa Budidaya