I was out to a marine location today, and besides some nicely colored little shark teeth, there were 2 items that are trip makers.  One is a small piece of coral, 2+ inches wide.   I would love an Identification, but I have other simpler questions.   This piece of coral looks "complete".  Is it?   What happened to whatever it was attached to?   Because there are polyp remains in the "holes", does that mean the holes were original?   There a