Giant Sea AnemoneCondylactus gigantea
So called because it is the largest of the Caribbean sea anemones, often reaching more than a foot across. Their colors vary from white to grey, brownish, yellow and green. Their tentacles are long, thick with enlarged tips that vary in contrasting colors to the body of white, green, pink, lavender and sometimes white. Most often the tentacles are extended, but retract of disturbed. Their bodies are usually unseen, but I was very fortunate to see one individual both extended and then later all retracted into the orange "sock" seen in the 3rd picture. It is really hard to believe the whole sea anemone fit into such a neat and compact package.