| Predator name | Alosa fallax | Main Ref. | Moreira, F., C.A. Assis, P.R. Almeida, J.L. Costa and M.J. Costa, 1992 |
| Predator group | Clupeidae | Predator stage | juv./adults |
| Predator I | finfish | Predator II | bony fish |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | Upper Tagus Estuary. | ||
| Country | Portugal | ||