Files uploaded: Excel file: Phenotypic_data: Summary table of the phenotypic traits measured on each fish from each condition Species Danio rerio ID Individual name Density Baseline or reduced Fishing Captured or escaped Sex Male or female Mass g SGR Specific growth rate, % day-1 Aerobic scope mg O2 h-1 Number of bites number against mirror Distance to conspecific cm Sequencing No or yes, if yes raw files available on NCBI Mafs.gz files: Genomic data for each group in each condition Baseline_Density_Captured_maf.mafs.gz Baseline_Density_Escaped_maf.mafs.gz Reduced_Density_Captured_maf.mafs.gz Reduced_Density_Escaped_maf.mafs.gz