Burmese cat also present in some other cat breeds, particularly the established rex breeds, where it can be fully expressed in its homozygous form (cbcb) (referred to as Burmese Colour Restriction or Sepia). The same gene can also be combined with the Siamese gene (cbcs) to produce either darker points or a light-on-dark-brown coat, similar to the Burmese chocolate/champagne, known as "mink". The Asian domestic cat breed is related to the Burmese; the Asian is physically similar but comes in different patterns and colours. The Singapura is always homozygous for the Burmese gene, combining it with a ticked tabby pattern. Snow Bengals
Mackerel 21 species in all—18 of those are classified into the genus "Scomberomorus", two into "Grammatorcynus", and a single species into the monotypic genus "Acanthocybium". In addition, a number of species with mackerel-like characteristics in the families Carangidae, Hexagrammidae and Gempylidae are commonly referred to as mackerel. There has been some confusion between the Pacific jack mackerel ("Trachurus symmetricus") and the heavily harvested Chilean jack mackerel ("Trachurus murphyi"). These have been thought at times to be the same species, but are now recognised as separate species. The term "mackerel" is also used as a modifier in the common names of other