Data on abundances of Agonus cataphractus and stomach contents with special attention to the presence of Crangon crangon. The data were digitized by VLIZ from the original report: Gabriels, I. (1977). Quantitatieve studie van de predatie-mortaliteit van Crangon crangon (L.) door Agonus cataphractus (L.). BSc Thesis. Free University of Brussels: Brussel. 91 pp.