| Predator name | Petromyzon marinus | Main Ref. | Farmer, J.G., 1980 |
| Predator group | Petromyzontidae | Predator stage | adults |
| Predator I | finfish | Predator II | n.a./other finfish |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | St. John River system, New Brunswick | ||
| Country | Canada | ||