A small aquatic animal with a tube-shaped body and a mouth surrounded by tentacles; coral polyps are responsible for the production of coral reefs.
a sedentary coelenterate animal, or colony, as in coral.
a delicate, limestone-secreting animal
an invertebrate animal -- that is
a spineless coral animal
a tiny fragile limestone-secreting animal
a tubular saclike animal with a central mouth surrounded by a ring of tentacles
a tiny animal that looks like an upside-down jellyfish; a benthic cnidarian that can exist individualy or in colonies and may secrete external skeletons of calcium carbonate
A tube-shaped animal with a soft body and a circle of tentacles at the top. More than 400 species of coral live in colonies in the oceans.
small ocean animal