Cat coat genetics basic pattern of stripes that underlies the coat. The basic wild-type tabby gene, "Mc", produces what is called a "mackerel striped" tabby (stripes look like thin fishbones and may break up into bars or spots), while a recessive mutant, "mc", produces a blotched or "classic" tabby pattern (broad bands, whorls, and spirals of dark color on pale background usually with bulls-eye or oyster pattern on flank). The classic tabby is most common in Iran, Great Britain and in lands that were once part of the British Empire and Persian Empire. The gene responsible for this differential patterning has been identified
Japanese horse mackerel Japanese name for the horse mackerel is "aji" (あじ), and by default generally implies the species "Trachurus japonicus" (which can be more specifically referred to as "ma-aji" (まあじ), literally "true "aji""). The name is most commonly written in hiragana; although a kanji () does exist, it is not in common use. It is commonly deep fried ("aji furai" あじフライ) or salt-grilled ("shioyaki aji" 塩焼きあじ). In Korean cuisine, the fish is dubbed "jeon-gaeng-i" (전갱이) and is the default horse mackerel designated by this name. It is commonly grilled or fried as a "jeon-gaeng-i gui" (전갱이 구이). Among the specialties of Jeju