| Predator name | Periphylla periphylla | Main Ref. | Youngbluth, M.J. and U. Båmstedt, 2001 |
| Predator group | Periphyllidae | Predator stage | juv./adults |
| Predator I | cnidarians | Predator II | jellyfish/hydroids |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | - | ||
| Country | Norway | ||