Tabby cat the flanks and stomach. An "M" shape appears on the forehead, along with dark lines across the cat's cheeks to the corners of its eyes. Mackerels are also called 'fishbone tabbies', probably because they are named after the mackerel fish. Mackerel is the most common tabby pattern. The Classic (also known as "Blotched" or "Marbled") tabby tends to have a pattern of dark browns, ochres and black but also occurs in grey. Classic tabbies have the "M" pattern on their foreheads but the body markings have a whirled or swirled pattern (often called a "bullseye") on the cat's sides. There
Atlantic mackerel according to the IUCN, "highly uncertain." Atlantic mackerel outer meat is red meat while inner meat is white, with a strong taste desirable to some consumers. They are sold fresh, frozen, smoked, salted, filleted, or as steaks. The fish is extremely high in oil content, vitamin B, vitamin B, selenium, niacin, and omega 3, a class of fatty acids, containing nearly twice as much of the latter per unit weight as salmon. Unlike the King and Spanish species, Northern Atlantic mackerel are very low in mercury, and can be eaten at least twice a week according to United States Environmental