Fish backbone piece

Here is a tiny fish vertebrae. It was about a centimeter long. Fish bones are not that common on South Beach, where I went, but are quite plentiful on the beach near Harbor Town. There are many large bones there, and I'm assuming that's because people go and fish, then come back and clean their fish on the docks, and throw the carcasses over the railing. The carcasses are eaten by crabs, and the skeletons wash up on the beach. At least that's how I see it. :)