iThis sun coral looks like a cluster of bright orange cups, especially when the individual polyps are closed. When extended, little tentacles ring each cup. The tentacles can give the colony a new shape without any change in its skeleton.
iiThis sun coral looks like a cluster of bright orange cups, especially when the individual polyps are closed. When extended, little tentacles ring each cup. The tentacles can give the colony a new shape without any change in its skeleton.