Sea anemones are a group of water-dwelling, predatory animals of the order Actiniaria; they are named after the anemone, a terrestrial flower. Sea anemones are classified in the phylum Cnidaria, class Anthozoa, subclass Zoantharia. Anthozoa often have lar
Sea Anemone Photograph by Oriana Poindexter. A close relative of coral and jellyfish, anemones are stinging polyps that spend most of their time waiting for fish to pass close enough to get ensnared in their venom-filled tentacles.