Suppose you think that the stony calcified outgrowths with psychedelic colors are the only type of coral that is found or formed! Well, that is not correct! There are 6 types of corals that are present of which you must be aware.
The types that you must note are - Mushroom corals, Zoanthids, Soft Corals, Gorgonians, and finally the polyp stony type (both large and small). There are specific differences between them.