https://classicrock961.com/this-isnt-trash-on-padre-islands-seashore-this-is-sea-whip-and-its-alive/
This Isn't Trash On Padre Island's Seashore--Meet The Sea Whip
It comes in several colors, like red, white, purple, and yellow. Once washed ashore, you may see black on the inside of the coral, which is its skeleton.
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