Fig. 3
Relationship between prey-specific abundance (P i ), expressed as weight, and frequency of occurrence (%F) of prey items in the diet of T. thynnus, collected in the Strait of Messina
Fig. 3 | Helgoland Marine Research
Relationship between prey-specific abundance (P i ), expressed as weight, and frequency of occurrence (%F) of prey items in the diet of T. thynnus, collected in the Strait of Messina