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1 December 2003 Another New Riparian Dendrobatid Frog Species from the Upper Amazon Basin of Peru
Stefan Lötters, Víctor R. Morales, Christian Proy
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Abstract

A new dendrobatid frog of the genus Colostethus is described from the Cordillera El Sira, an isolated mountain ridge in the upper Amazon basin of central Peru. It has bright yellowish dorsolateral stripes thus resembling Colostethus exasperatus, Colostethus sp. (cf. exasperatus), and Colostethus nexipus, all from the upper Amazon basin of Ecuador and Peru. In morphology, the new species is most similar to Colostethus mcdiarmidi from the eastern Andean slopes of Bolivia and Colostethus alessandroi from the eastern Andean slopes of Peru. The new species can be distinguished from all these taxa on the basis of coloration including the color of the ring around pupil in life, adult male size, length of Finger I relative to Finger II, and toe webbing extension. The advertisement call and aspects of the skeleton of the new species are described.

Stefan Lötters, Víctor R. Morales, and Christian Proy "Another New Riparian Dendrobatid Frog Species from the Upper Amazon Basin of Peru," Journal of Herpetology 37(4), 707-713, (1 December 2003). https://doi.org/10.1670/197-02A
Accepted: 1 August 2003; Published: 1 December 2003
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