- an American game fish, Scomberomorus maculatus, inhabiting the Atlantic Ocean.
- any of various similar scombroid fishes.
- (in California) the jack mackerel.
- any scombroid food fish of the genus Scomberomorus, esp S. maculatus, of American coastal regions of the Atlantic: family Scombridae (mackerels, tunnies, etc)
- a mackerel, Scomber colias, of European and E North American coasts that is similar to the common Atlantic mackerel
- any of various related marine food fishes, esp Scomberomerus Commerson
