Parchment Worms are filter feeders. They live inside these tubes here, in the sand, or attached to rocks. They can get to about two feet long, and about 1-1/2 inches in diameter. Occasionally the worms vacate the tubes, and they end up getting washed ashore. You can usually find these all over the shoreline and lot of folks think its just plastic garbage. They usually have bits of sand, rocks, algae etc stuck to their outsides but by the time they wash ashore they have been tumbled and scoured so heavily that the only thing left really is the tube itself.

Last naturepost for now. Ill be back later to shit up your feed some more.