Anthozoa

Anthozoa is a class of marine animals within the phylum Cnidaria, which includes sea anemones, corals, and sea pens. They are characterized by their polyp body structure, meaning they are tube-shaped and usually attached to the ocean floor or structures. Unlike jellyfish, Anthozoa lack medusa stages and do not swim freely. They tend to form colonies or solitary individuals, playing vital roles in marine ecosystems by building coral reefs and providing habitat for other marine life. Their bodies contain stinging cells used for capturing prey and defense.