Atelopus certus, is endemic to Cerro Sapo (or Toad Mountain) in the Darien Region of eastern Panama, this is one of the most strikingly colored or all harlequin frogs.  Juveniles are metallic black and green, then become orange or red with black spots or reticulated markings as adults. The species occurs from 50 – 1150 m above sea level. Leer más.