conc sex species 21.5 male species1 19.6 male species1 20.9 male species1 22.8 male species1 14.8 female species1 15.6 female species1 13.5 female species1 16.4 female species1 14.5 male species2 17.4 male species2 15.0 male species2 17.8 male species2 12.1 female species2 11.4 female species2 12.7 female species2 14.5 female species2 16.0 male species3 20.3 male species3 18.5 male species3 19.3 male species3 14.4 female species3 14.7 female species3 13.8 female species3 12.0 female species3