| Predator name | Gnathophis mystax | Main Ref. | Carpentieri, P., F. Colloca and G. Ardizzone, 2007 |
| Predator group | Congridae | Predator stage | juv./adults |
| Predator I | finfish | Predator II | bony fish |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | central-western coast of Italy. | ||
| Country | Italy | ||