zoanthus colony, fluorescent soft polyp grow on frag plug, animal in live rock ecosystem, nano reef marine aqua

zoanthus sociatus green sea mat button polyp zoanthid caribbean zoantharia zoanthidea anthozoa tentacle hexacorallia cnidarian coralimorph coelenterates soft coral commensal detritus zooplankton intertidal subtidal budding palytoxin toxic poison coenenchyma zooxanthellae capitulum octocoral aquatic biodiversity fauna ecosystem environment underwater stone wildlife aggregation lateral saltwater aquascape aquaculture tropical reef macro encrusting controlled conditions animal allmymoneygoestocorals shallow depth field selective focus glass refraction healthy colony fluorescent frag plug rock nano marine aquarium bottom pet species led farm aqua