xanthochroism

/ (zænˈθɒkrəʊˌɪzəm) /

noun

a condition in certain animals, esp aquarium goldfish, in which all skin pigments other than yellow and orange disappear

Word Origin for xanthochroism

C19: from Greek xanthokhro ( os) yellow-skinned (from xanthos yellow + khroia skin) + -ism