closeup of a brown and white tube dwelling sea anemone, a popular aquarium pet in aquaculture

alone and anemone anemones animal animals aquaculture aquarium atlantic background brown ceriantharia cerianthidae cerianthus closeup cylinder dwellers dwelling europe european flower flowers ichthyology lesser life lloydii marine ocean orange pet pets popular portrait reef reefs rock science sea single spirularia stone tank tube tubedwelling tubes underwater water waters white yellow zoology