| Predator name | Callorhinus ursinus | Main Ref. | Wood, J.B. and C.L. Day, 1998 |
| Predator group | Otariidae | Predator stage | juv./adults |
| Predator I | mammals | Predator II | seals/sea lions |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | Northeast Honshu and Central North Pacific. | ||
| Country | Japan | ||