Data Availability Statement
All data are provided as additional ”Supporting Information for review and publication” and are being submitted to the PANGAEA directory (ontogeny_isotopy_data.csv: isotope data;trawling_dataset.csv: trawling data; README.Rmd : Information on the R project; index.qmd: final report with the code to carry out the analysis; ontogeny_deep_pelagic_fish.Rproj : R project; README_data.Rmd : information on the data)