- a food fish, Scomber scombrus, of the North Atlantic, having wavy cross markings on the back.
- Spanish mackerel.
- any of various similar fishes, as the Atka mackerel.
- a spiny-finned food fish, Scomber scombrus, occurring in northern coastal regions of the Atlantic and in the Mediterranean: family Scombridae. It has a deeply forked tail and a greenish-blue body marked with wavy dark bands on the back
- any of various other fishes of the family Scombridae, such as Scomber colias (Spanish mackerel) and S. japonicus (Pacific mackerel)
