It has an air bladder but is otherwise comparable to the popular mackerel. The Pacific chub mackerel is caught in substantial figures from the coast of California, when the Atlantic chub mackerel is greatly distributed alongside both coasts from the North and South Atlantic. An 1835 illustration of the Atlantic https://atlantic-mackerel-size-li04703.idblogz.com/32290741/top-atlantic-mackerel-diet-secrets