| Main Ref. | Teytaud, A., 1971 | ||
| Predator stage | juv./adults | ||
| Food I | zoobenthos | ||
| Food II | benth. crust. | ||
| Food III | isopods | ||
| Food group | unidentified | Prey Stage/Part | juv./adults |
| Food name | unidentified | ||
| Commonness | |||
| Land | |||
| Kommentar | Locality: West coast of North America. Captive specimens feed on isopods which live commensally on the urchin which G. eugrammus is associated with. | ||