Effects of Nutrient Pollution, Overfishing, Tourism, & Coral Bleaching on Hawaiian Coral Reefs Species List Porifera Yellow axinyssa sponge (Axinyssa sp.)Blue suberites (Suberites sp.) Cnidaria White encrusting zoanthid (Palythoa caribaeorum)Lobe coral (Porites lobata)Cauliflower coral (Pocillopora meandrina)Rice coral (Montipora capitata)Brown lobe coral (Porites evermanni) Echinodermata Collector urchin (Tripneustes gratilla)Whitespotted sea cucumber (Actinopyga varians)Slate pencil urchin (Heterocentrotus mammillatus)