| Predator name | Balaenoptera bonaerensis | Main Ref. | Tamura, T. and K. Konishi, 2005 |
| Predator group | Balaenopteridae | Predator stage | juv./adults |
| Predator I | mammals | Predator II | whales/dolphins |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | - | ||
| Country | - | ||