rhodactis inchoata soft coral, golden torch coral fluorescent orange tentacle, live rock reef marine aquarium ecosystem

euphyllia glabrescens largepolyp stony coral lps caryophylliidae trumpet sweeper tentacle cnidocyte corallite indonesia aggressive sting zooxanthella photosynthetic skeleton bullseye mushroom discosomidae tonga blue oral disk colony biodiversity fragging fauna propagation environment underwater aggregation chumminess community lateral widespread saltwater reef tank aquaculture colorful flow tropical coralimorph exotic coelenterates commensal controlled conditions pet shop aquadesign glass refraction canister filter shallow dof