Tabby cat red cats and the patches of red on tortoiseshell cats will show tabby striping. The primary tabby pattern gene, "Mc/mc or Mc/Mc", sets the basic pattern of stripes that underlies the coat. "Mc" is the wild-type tabby gene and produces what is called a Mackerel Striped tabby. Classic tabbies are cats who also possess "mc/mc", a recessive mutant gene that produces the blotched pattern. The spotted gene is directly connected to the Mc gene; it 'breaks' the lines of a Mackerel tabby, turning it into spots. The spotted gene is dominant as well, which means a Spotted will be Sp/sp
Atka mackerel roughly a year before his death. Atka mackerel were once considered to be synonymous with Arabesque greenlings. The combined species would have been called the Okhotsk Atka mackerel, a name now used only for the greenling. The two fishes are, in reality, two distinct species. Able to live up to 14 years, the largest Atka mackerel recorded was 56.5 cm long; the heaviest recorded weight was 2.0 kg. Adults have five vertical, blackish bands on their bodies, which are normally yellowish. Atka mackerel can be distinguished from other, similar species by the number of spines and rays that they have