A case of complete albinism in Lissotriton vulgaris meridionalis

There are several cases of abnormally or uncommonly coloured individuals of amphibians reported in the literature. Amphibian coloration is defined by the disposition of specific epidermal cells: the chromatophores. These are cells containing granules of pigment. Chromatophores are usually classified on the basis of the granules’ chemical composition and color under a white light. In amphibians skin there are: the melanophores that contain granules of melanin and have a black or dark color, the xantophores containing yellow granules, the erythrophores containing red granules, the leucophores containing white granules, the cyanophores containing blue granules and the iridophores containing crystals of guanine that have a silver or iridescent aspect (Duellman and Trueb, 1994). Occurrence and