Stefania

Stefania is a remarkable genus of frogs belonging to the family Hemiphractidae, primarily found in the highlands of the Guiana Shield, which spans southern Venezuela, Guyana, and parts of northern Brazil. These fascinating amphibians are predominantly located in the tepui highlands, although the species S. evansi can also be found in lowland areas. The diversity of this genus is particularly notable on Mount Ayanganna, which is home to five distinct species, while the neighboring Mount Wokomung boasts an impressive six species.

Typically, Stefania frogs inhabit environments near streams, where they can be spotted resting on branches, leaves, or among the vegetation and rocks on the ground. Their unique breeding strategy sets them apart from many other frog species; the development of their young occurs directly on the back of the female. This remarkable adaptation means that the eggs hatch into froglets without a free-swimming tadpole stage, a behavior that has earned them the common name of carrying frogs.

The carrying behavior exhibited by Stefania species is not only intriguing but also highlights the evolutionary strategies within the family Hemiphractidae. This genus exemplifies the rich biodiversity found in the highland ecosystems of South America, showcasing the intricate relationships between species and their environments.