orange striped green sea anemone, possibly diadumene lineata, unique and funny marine creature, deathly predator, poison tentacles

actinia active adult alien anemone animal aqua aquaculture aquarium aquascape aquatic atlantic background biodiversity biotope black body chemical clear closeup colorful concept creature deathly design diadumene environment estuary exotic fauna free funny green hunt instinct invasion invasive invertebrate life lineata macro marine mollusc native nature ocean orange poisonous possibly predator reef salinity saltwater sea shell shot space species stone striped substrate tank tentacle tentacles underwater unique venomous water weapon widespread wild