invasive pest actinia anemonia majano, green tentacles on oral disc, tomato clownfish face camera, cladophora algae

anemonia manjano actiniarian zooxanthella nematocyst photosynthetic poison venomous bulbous tip coralimorph hitchhiker aggressive carnivore anemone brown button palythoa zoanthid cnidaria biodiversity amphiprion frenatus pomacentridae mutualism symbiont fauna ecosystem environment underwater wildlife aggregation community saltwater aquascape reef tank aquaculture current tropical controlled conditions coral farm cultivation understanding nature actinic blue macro soft coelenterates explore species pet shop glass refraction propagation shallow dof selective focus invasive pest actinia majano green tentacles oral disc tomato clownfish cladophora algae nano marine rock aquadesign