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Mutation
This mutation is not hereditary and occurs randomly through breeding.
Leucism is a random mutation that alters the pigment development of the coat. Leucism leaves some pigment but lightens the coat in a manner visually similair to albinism. Eye, antler and flesh pigment are unaffected.
Range and Extent
Range and Extent
Leucism affects the Rukaan's entire body. The coat is lightened to cream or white, and markings are muted. Flesh and eye pigment are unaffected.
Leucism can optionally leave a "cap" of a lightened version of the Rukaan's base color visible on the bridge of the nose and the forehead.
Leucistic Rukaan Without Markings
Leucistic Rukaan Without Markings
Leucistic Rukaan with Dark and Light Markings
Leucistic Rukaan with Dark and Light Markings
Leucistic Liver Rukaan with sooty, frosting and "cap"
Maximum Range of Leucistic "Cap"
Maximum Range of Leucistic "Cap"
"Cap" of lightened version of the base coat may occur over nose bridge, forehead or both.
Leucistic White with Black Accents and Elkan Marks || Leucistic Liver Champagne with Points and Snowline || Leucistic Red with Fawn, Pangare and "Cap" || Leucistic Black with Dun and "Cap"
Coat and Marking Color
Coat and Marking Color
Leucistic Rukaan must be white, off-white or cream in color. Leucistic black-based Rukaan may be a very light grey.
Lightening markings such as pangare, splash accents, frosting and white markings may or may not be visible on a leucistic Rukaan.
Darkening markings such as black accents, points and sooty will appear as dark cream, tan or light brown and will be very muted. These should be low in saturation. Darkening markings can be grey on black based Rukaan. These should be no darker than 66% brightness.
Leucistic Rukaan sometimes have a "cap" on their forehead and nose where a lightened version of their base coat is visible. This should be no darker than 66% brightness.
R-1726 Koi
White colored coat on a liver leucistic Rukaan.Cream colored black accents.Lightened liver cap.Lightening markings not visible.
White colored coat on a liver leucistic Rukaan.Cream colored black accents.Lightened liver cap.Lightening markings not visible.
R-1724 Rosegold
Cream colored coat on a liver leucistic Rukaan.Tan colored sooty.Lightening markings visible. Lightened liver cap.
Cream colored coat on a liver leucistic Rukaan.Tan colored sooty.Lightening markings visible. Lightened liver cap.
Domar S-022
Light grey coat on a black leuscistic Rukaan.Grey markings on a black based Rukaan. Black accents show the darkest allowable brightness for markings on a leucistic Rukaan.
Light grey coat on a black leuscistic Rukaan.Grey markings on a black based Rukaan. Black accents show the darkest allowable brightness for markings on a leucistic Rukaan.
Skin/Eye Color Effects
Skin/Eye Color Effects
Leucism does not affect the flesh color of the Rukaan. Flesh color will be dark unless a color modifier or white marking that lightens flesh color is present. See the flesh color guide.
The Rukaan's eyes are sometimes but not always pale and can be any color.
Element Effects
Element Effects
Effect on Metal and Gemstone elements: None
Effect on Ancient element: None. See elements guide.
Interactions With Other Genes
Interactions With Other Genes
R-1725 Plover
Leuscism on Wine
Tinted Scorch Marks (allowing scorch marks to be darker than otherwise allowed with leucism)
Color Modifiers
Pearl can still cause shine on a leucistic Rukaan.
Olive can cause a leucistic Rukaan's coat and markings to take a light mossy tinge.
Blue can cause a leucistic Rukaan's coat and markings to take a light grey-blue tinge.
Wine can cause a leucistic Rukaan's coat and markings to take a light grey-lilac or desaturated pink tinge.
Champagne can cause a leucistic Rukaan's coat and markings to take a light and subtle golden tinge.
Tint can cause one of the Rukaan's other markings to be darker than otherwise allowed on a leucistic Rukaan (dark brown rather than tan to light brown) OR can change the color of one marking to a lightened version of another color present in the Rukaan species as long as it is no darker than markings otherwise allowed with leucism.
Lightening markings such as pangare, splash accents, frosting and white markings may or may not be visible on a leucistic Rukaan.
Darkening markings such as black accents, points and sooty will appear as dark cream, tan or light brown and will be muted and low in saturation. These can be grey on black based Rukaan.
Inspiration
Inspiration
Leucism occurs in many hoofed species. In hoofstock it typically reduces pigment in the coat but not in the eyes and flesh.
Odocoileus hemoinus female leucistic by Joe McDaniel
Yearling leucistic mule deer, note slight pigment on face and legs
Yearling leucistic mule deer, note slight pigment on face and legs
Accepted Examples
Accepted Examples
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