It's an air bladder but is in any other case much like the popular mackerel. The Pacific chub mackerel is caught in sizeable numbers from the Coastline of California, whilst the Atlantic chub mackerel is commonly distributed along both equally coasts of the North and South Atlantic. You can find https://chancefnjcr.blogaritma.com/30249694/helping-the-others-realize-the-advantages-of-atlantic-and-atka-mackerel