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
Chub mackerel of mackerels and sardines. In 2015 chub mackerels were found in Indian Ocean and the new species were classified as Scomber indicus. As larvae, chub mackerel feed mainly on copepods and rotifers and sometimes even smaller larvae of their own kind. Chub mackerel larvae can consume up to 87% of their dry body weight a day. As juveniles, chub mackerel feed mainly on zooplankton. As adults, they feed on mysids and euphausids. Spawning between chub mackerel typically occurs at temperatures of 59 to 68 °F. This in turn, leads to different mating seasons depending on what part of the hemisphere