North Atlantic.
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Collette, B.B. 2003 Family Scombridae Rafinesque 1815 - mackerels, tunas, and bonitos. Calif. Acad. Sci. Annotated Checklists of Fishes (19):28. (Ref. 50681)
http://www.fishbase.org/references/FBRefSummary.php?id=50681&speccode=116
