| Predator name | Petromyzon marinus | Main Ref. | Hardisty, M.W., 1986 |
| Predator group | Petromyzontidae | Predator stage | adults |
| Predator I | finfish | Predator II | n.a./other finfish |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Observationsplats | Not stated. | ||
| Land | - | ||