| Predator name | Halichoerus grypus | Main Ref. | Ridoux, V., J. Spitz, C. Vincent and M.J. Walton, 2007 |
| Predator group | Phocidae | Predator stage | juv./adults |
| Predator I | mammals | Predator II | seals/sea lions |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | - | ||
| Country | France | ||