Trachurus lathami
 Trachurus lathami is a species of fish in the family Carangidae and the genus Trachurus the jack mackerels. Common names include rough scad and horse mackerel in English as well as chinchard frappeur (French) chicharro garretón (Spanish) jurel (in Argentina and Uruguay) and carapau garaçuma surel and xixarro (in Brazil).