Decapterus macarellus is a type of fish that is commonly found in the Atlantic and Mediterranean oceans. It is often referred to by other names, including mackerel scad, Indian scad, and round scad. These synonyms relate to different aspects of the fish, such as its appearance or where it is commonly found. Another synonym for Decapterus macarellus is goggle-eyed scad, which describes the distinctly large eyes of the fish. These synonyms allow for greater understanding and communication about the specific type of fish, allowing for clearer descriptions and differentiation from other similar fish species.