mackerel

(măkˈər-əl, măkˈrəl)

1. Any of several widely distributed marine fishes of the family Scombridae, especially the Atlantic mackerel (Scomber scombrus), an important food fish having dark wavy bars on the back and a silvery belly.
2. Any of the smaller fishes of the suborder Scombroidea, such as the Spanish mackerel.
3. Any of various similar fishes.