Surinam Toad

The Surinam Toad (Pipa pipa) reproduces by embedding fertilized eggs directly into the skin of the female's back, where each egg develops in its own individual pocket. The young emerge as fully formed froglets, completely skipping the free-swimming tadpole stage typical of most amphibians.

Surinam Toads are native to South America, found throughout the Amazon Basin and other tropical waterways in countries including Brazil, Peru, Colombia, and the Guianas. They are fully aquatic and prefer slow-moving or stagnant waters such as ponds, marshes, and floodplains.

The Surinam Toad's distinctive flat, leaf-like body is an adaptation for its fully aquatic lifestyle, helping it camouflage against the muddy bottoms of ponds and streams. Its flattened silhouette allows it to remain nearly invisible to both predators and prey in its slow-water habitat.

A female Surinam Toad can carry dozens of eggs embedded in the skin of her back—typically between 60 and 100 in a single reproductive cycle. After several months of development within the skin pockets, the fully formed miniature froglets push out from the mother's back and swim away as independent young.