Miniaturization in Direct-Developing Frogs of the Genus Craugastor (Anura: Craugastoridae) from Mexico with the Description of Six New Species

The Craugastor mexicanus series (Anura: Craugastoridae) includes six species of direct-developing frogs that occur in Mexico and Guatemala. Notably, two of these species have small adult body sizes (<18 mm snout to vent length) and several have intraspecific polymorphism in color pattern.  Leer más.