cnidaria chordata au actinopterygii anthozoa fishspeciesgroup perciformes whalerscove pointlobos seaurchin greatbarrierreef acropora acroporidae scleractinia hardcoral ophidiasteridae seastar bluestarfish asteroidea valvatida linckialaevigata lighthouseribbonreefsgreatbarrierreef oreasteridae choriastergranulatus manlycovesydneyharbournsw echinoidea echinometridae echinoida heliocidaris latituderockforsternsw tripneustesgratilla tripneustes hairyseaurchin toxopneustidae oldmanshatsydneynsw hawkfish cirrhitidae cirrhitichthysaprinus blotchedhawkfish brittlestars ophiothrix ophiuroidea ophiothrixspiculata coscinasteriascalamaria coscinasterias forcipulatida asteriidae spinulosida