Photo 1: A Commensal Scaleworm on a Troschel`s Sea Star. (Photo taken at Willow Point Reef.)
Commensal Scaleworm: Arctonoe fragilis
Common Names: Fragile Scaleworm, Frilled Scaleworm
This remarkable worm lives commensally with several species of sea stars, but most commonly, Troschel`s Sea Star. With its frilly edges which resembling tube feet, it lives camouflaged on the underside and matches the color and shape of its host.