jack mackerel
noun(jack mackerel)
any of several medium to large food and sport fishes (genus Trachurus): such as
jack mackerel
noun(jack mackerel)
a fish of the northern Pacific Ocean (Trachurus symmetricus) that is iridescent green or bluish above and silvery below
jack mackerel
noun(jack mackerel)
a fish of the southern Pacific Ocean (Trachurus murphyi) that was formerly considered a subspecies (T. symmetricus murphyi) of the northern Pacific jack mackerel