Brown and Black Poison Frog

The Brown and Black Poison Frog, Hyloxalus fallax, is a species of poison dart frog. It is endemic to Paraguay. Its natural habitat is moist riverbanks in tropical rainforests. It is threatened by habitat loss. H. fallax is one of the most localized of the genus, being found only along a few small rivers, in small breeding populations. It is considered to be the sister species to Hyloxalus cevallosi.