pulsing xenia soft coral colony move tentacles in strong flow, live rock stone nano reef marine aquarium, led blue light

xenia elongata unomia stolonifera octocoral indopacific xeniid invertebrate stoloniferous colonial fluorescent luminescent coralimorph photosynthetic colony anthozoa peaceful branch aggregation lateral easytokeep commensal hexacorallia biodiversity biocenosis fauna underwater wildlife widespread saltwater aquascape aquadesign vegetation reef tank ecosystem aquaculture propagation current tropical ocean coral decorative exotic encrusting controlled conditions pet shop allmymoneygoestocorals cultivation selective focus coquina pulsing soft move tentacles strong flow live rock stone nano marine aquarium led farm popular glass refraction