| Predator name | Phialidium gregarium | Main Ref. | Purcell, J.E., 1990 |
| Predator group | Campanulariidae | Predator stage | juv./adults |
| Predator I | cnidarians | Predator II | jellyfish/hydroids |
| Prey stage | larvae | ||
| % of stomach contents | - | ||
| Locality | British Columbia | ||
| Country | Canada | ||