| Predator name | unidentified | Main Ref. | Pacific Fishery Management Council, 1978 |
| Predator group | Cetacea | Predator stage | juv./adults |
| Predator I | mammals | Predator II | whales/dolphins |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | California | ||
| Country | USA | ||