brown button palythoa soft coral polyp colony absorb organic matter, coquina stone live rock, tomato clownfish pet

absorb aggregation anthozoa aquaculture aquarium aquascape aquatic background biodiversity blur brown button capitulum captive cell clownfish cnidarian coelenterates coenenchyma colony conditions controlled coquina coral coralimorph current dof ecosystem encrusting environment focus glass hexacorallia indopacific intertidal lateral led macro marine matter mutuki neurotoxin organic palythoa palytoxin pet poison polyp propagation reef refraction saltwater selective shallow soft space stalk stinging stone subtidal tank tentacle tomato toxic tropical underwater wildlife zoantharia zoanthid zoanthidea zoanthinaria zoanthus zooplankton zooxanthellae