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Researchers have discovered a new species of frog in Peru, living high in the Andes Mountains.
The frog, Osteocephalus vasquezi sp. nov. was found in the premontane forests of the Cordillera del Yanachaga, in the Central Peruvian Andes mountains. The frog belongs to the species group Osteocephalus mimeticus and is a sister species to Osteocephalus mimeticus.
It features dark irises and tuberculate dorsal skin, which is brown in coloration. The three species it is most similar to include O. festae, O. mimeticus, and O. verruciger. It is most similar to O. mimeticus, the researchers say, but has a cream or creamy tan venter and brown chocolate blotches and flecks. The tadpoles also differ from O. mimeticus in that they have a larger oval disk and nine labial tooth rows. O. mimeticus as six labial tooth rows. The researchers believe Osteocephalus vasquezi diverged from its sister species at the beginning of the Pleistocene, or ~2.5 million years ago.
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