In the Azores fish made up all of the diet and the most important species in the diet of Sphyraena viridensis was the bluejack mackerel Trachurus picturatus being found as having been preyed upon by 72.4% of the fish sampled and making up nearly two thirds of the weight of prey taken. Other species taken in this study included single examples of bogue Boops boops, ornate wrasse Thalassoma pavo and axillary sea bream Pagellus acarnae, as well as an unidentified species of the Exocoetidae.