Giselle Tamayo-Castillo

Frogs have layers: a comparative histological study of colour polymorphism in Oophaga poison frogs

Background Colour polymorphism in aposematic species is often associated with ecological divergence and predator selection. In amphibians, colouration is achieved through the chromatophore unit, a layered structure of pigment-containing cells (xanthophores, melanophores) and stru...