Feeding habits of two shark species: velvet belly, Etmopterus spinax (Linnaeus, 1758) and blackmouth catshark, Galeus melastomus (Rafinesque, 1810), present in fishing discards in the Gulf of Cádiz. Environmental Biology of Fishes, 107, 159–172
DOI: 10.1007/s10641-024-01519-0