Abstract
Amphibians are the most threatened vertebrates in the world, being 41% of them under threat. Indeed, 22.5% of the amphibians are classified as Data Deficient (DD), indicating that the proportion of threatened species could be even higher. Brazil is home to the largest number of the world's amphibians, accounting to 1,026 species recorded until mid 2014. There are 163 amphibians classified…