Macro images of frog skin, prepared by Diego Acosta Lopez for Centro Jambatu. In order, we see the Pacific horned frog [Ceratophrys stolzmanni], the Atrato glass frog [Hyalinobatrachium aureoguttatum], the Imbabura tree frog [Hypsiboas picturatus], and the silver marsupial frog [Gastrotheca plumbea].