Pachycerianthus fimbriatus reaches 40 cm height with tentacles deployed. Large cerianthid (Cerianthidae) East Pacific temperate from California to Baja California with tubular body concealed in sand, with long thin tentacles arranged in two crowns: outer purple-brown to orange and inner shorter yellow to cream. Lives from 5 to 30 m on sandy bottoms of kelp forests. Retracts into tube at slightest threat. Nocturnal plankton filter feeder. Beautiful California dive photo subject (Monterey, La Jolla) for its colors and graceful form.
