Red-Trumpet Calcareous Tube Worm

Also called red tube worm. Look for limy tubes attached to rocks, pilings or floats. The tubes can be coiled or rambling.  You might notice the little red stopper (operculum) at the entrance to the tube first because of its flashy color.  If you are still, the worm may poke its fringe of red tentacles out.  The tentacles often have white bands.

Calcareous Tubeworm?

Limpet Calcareous Tube Worms
Limpets and Calcareous Tube Worms
Scallop, Feather Duster Tube Worm Blood Star
Scallop, Blood Star and Calcareous Tube Worm