Polyp (zoology)
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A polyp in zoology is one of two forms found in the phylum Cnidaria, the other being the medusa. Polyps are roughly cylindrical in shape and elongated at the axis of the vase-shaped body. In solitary
Gorgonian polyps in a reef aquarium
Anatomy of a coral polyp
Polyps of a colony of Cnidaria
Coral
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Corals are colonial marine invertebrates within the subphylum Anthozoa of the phylum Cnidaria. They typically form compact colonies of many identical individual polyps. Coral species include the impor
Polyp (zoology)
…or indirectly. The oral end contains the mouth, and is surrounded by a circlet of tentacles. In the class Anthozoa, comprising the sea anemones and corals, the individual is always a polyp; in the class Hydrozoa, however, the individual may be either a polyp or a medusa, with most species undergoing a…
Brain coral spawning
Montastraea cavernosa polyps with tentacles extended