African dwarf frogs are small aquatic frogs native to parts of Africa

Africa

Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

, spreading from tropical to subtropical areas primarily in the Congo region

Congo River

The Congo River is a river in Africa, and is the deepest river in the world, with measured depths in excess of . It is the second largest river in the world by volume of water discharged, though it has only one-fifth the volume of the world's largest river, the Amazon...

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African dwarf frogs live their entire lives underwater, but need to rise to the surface to breathe air because they have lungs and not gills. These frogs are small in size and do not weigh more than a few ounces. These frogs vary in color, for the most part ranging from olive green to brown with black spots.