jack mackerel

noun

Definition of jack mackerel

:any of several medium to large food and sport fishes (genus Trachurus): such as
a :a fish of the northern Pacific Ocean (Trachurus symmetricus) that is iridescent green or bluish above and silvery below
b :a fish of the southern Pacific Ocean (Trachurus murphyi) that was formerly considered a subspecies (T. symmetricus murphyi) of the northern Pacific jack mackerel
c :a fish (Trachurus novaezelandiae) of Australian and New Zealand waters that has a yellow tail fin

First Known Use of jack mackerel

1882


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