Data from: Variation of anal fin egg-spots along an environmental gradient in a haplochromine cichlid fish

Reflectance spectraReflectance spectra of the second egg-spot and the area above the egg-spots on the anal fin of malesReflectance_data_males.xlsxAmbient light spectraDownwelling irradiance for each locality (except Lf1) at the surface and at the following depths: 10, 20, 30, 40, 50, 70 and 100 cm, or to the deepest possible point within the interval.Ambient_light_data.xlsxEgg-spot measurements based on photographsegg_var_tabelle_hochladen.xlsx