Polyps

This article is about the cnidarian polyps. For the medical condition, see Polyp (medicine). In zoology, a polyp is one of two forms of individuals found in many species of cnidarians. The two are the polyp or hydroid and the medusa. Polyps are approximately cylindrical, elongated on the axis of the body. One end is usually attached and the other bears the mouth, surrounded by a circlet of tentacles. In the class Anthozoa, comprising the sea-anemones and corals, the individual is always a ...