tomato clownfish hide in nano reef marine aquarium , brown button palythoa soft coral polyp colony move head

aggregation amphiprion anthozoa aquaculture aquarium aquascape aquatic background beginner biodiversity blur brown button capitulum captive cell clownfish cnidarian coenenchyma colony conditions controlled coral coralimorph current design dof ecosystem encrusting flow focus frenatus glass head hermaphrodite hexacorallia hide indopacific intertidal laminar led live marine mutualism mutuki nano neurotoxin palythoa palytoxin poison polyp pomacentridae propagation reef refraction saltwater selective sequential shallow soft stalk stinging stone subtidal symbiont tank tentacle tomato toxic tropical underwater wildlife zoantharia zoanthid zoanthidea zoanthinaria zoanthus zooplankton zooxanthellae