| Predator name | unidentified | Main Ref. | Scott, W.B. and E.J. Crossman, 1973 |
| Predator group | harbor and fur seals | Predator stage | juv./adults |
| Predator I | mammals | Predator II | seals/sea lions |
| Prey stage | juv./adults | ||
| % of stomach contents | - rare (1-5%) | ||
| Locality | Not stated. | ||
| Country | - | ||