| Predator name | Ichthyomyzon unicuspis | Main Ref. | Vladykov, V.D. and J.M. Roy, 1948 |
| Predator group | Petromyzontidae | Predator stage | adults |
| Predator I | finfish | Predator II | n.a./other finfish |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | Quebec | ||
| Country | - | ||