What is brachycephalus pernix?

Brachycephalus pernix is a species of brightly colored frog found in the Atlantic Forest of southeastern Brazil. It is a small frog, measuring only about 1 cm in length, and has distinctive bright green coloration with black markings on its back. This species is known for its unique breeding behavior, in which the male frog guards and moistens the eggs until they hatch. The species is currently classified as endangered due to habitat loss and fragmentation.