首页|Partial xanthism in the mesoamerican cane toad Rhinella horribilis
Partial xanthism in the mesoamerican cane toad Rhinella horribilis
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Pigmentary abnormalities occur when there is an absence or predominance of certain pigment cells (chromatophores) or variations in the production of pigments within them (Duellman & Trueb, 1994). In amphibians, the most frequent cases of abnormal pigmentation are albinism and leucism, which result from deficient production of melanin (Lunghi et al., 2017). Albinism is a genetic disorder characterised by partial or complete lack of skin and eye pigmentation (Bechtel, 1995) and xanthism, the subject of this report, is a type of albinism in which individuals produce predominantly yellow pigments (Stephenson & Drace, 2014).