| Predator name | Petromyzon marinus | Main Ref. | Swink, W.D., 1993 |
| Predator group | Petromyzontidae | Predator stage | adults |
| Predator I | finfish | Predator II | n.a./other finfish |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | Hammond Bay Biol. Station, Lake Michigan | ||
| Country | USA | ||