Fig. 3From: First characterization of toxic alkaloids and volatile organic compounds (VOCs) in the cryptic dendrobatid Silverstoneia punctiventrisSpecimens collected for this study. A. Dorsal and ventral view of seven specimens of S. puctiventris (D: dorsal view. V: ventral view). Note the variation in the ventral points used as diagnostic traits by Grant & Myers (2013) to define the identity of the species. B. Male carrying two tadpoles. C. Defence posture during an agonistic encounter. Photos by Pablo Palacios-RodrÃguezBack to article page