Fig. 5

Percentage of adult males, adult females and juveniles recorded at the Strait of Messina (this study), at the Marcellinara Isthmus (in 1996; Agostini and Logozzo 2000), at the Circeo promontory (in 2002; Agostini et al. 2003) and over the islands of Malta (in 2002; Agostini et al. 2003) and Antikhytira (in 2009; Panuccio et al. 2013b)