| Predator name | Petromyzon marinus | Main Ref. | Beamish, F.W.H. and I.C. Potter, 1975 |
| Predator group | Petromyzontidae | Predator stage | juv./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 | ||