One individual of the commensal worm Red-banded commensal scaleworm (Arctonoe vittata) can almost always be found on the underside of this incredibly smooth, slippery yet stiff starfish.
This species feeds on sea anemones, sponges, dead things at the bottom, and some sea cucumbers, but they are most interestingly known as a predator of colonial ascidians.
- WoRMS Page for Dermasterias imbricata
- Search Arctos Database for Dermasterias imbricata (Southeast only)
- Search Arctos Database for Dermasterias imbricata (entire database)
- Encyclopedia of Life search for Dermasterias imbricata
- iNaturalist Observations for Dermasterias imbricata in Southeast Alaska