Anthozoa
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Anthozoa is one of the three subphyla of Cnidaria, along with Medusozoa and Endocnidozoa. It includes sessile marine invertebrates and invertebrates of brackish water, such as sea anemones, stony cora
Coral Outcrop Flynn Reef
Reef 2095 Flickr NOAA Photo Library
Deep water corals serve as habitats for fish such as the alfonsino
Anatomy of a stony coral polyp
Scleractinia
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Scleractinia, also called stony corals or hard corals, are marine animals in the phylum Cnidaria that build themselves a hard skeleton. The individual animals are known as polyps and have a cylindrica
Diploria labyrinthiformis, a brain coral
Meandering corallite walls of an intratentacular budding coral