Cacosternum is a genus of frog in the family Pyxicephalidae that are found in southern and eastern Africa.

[1][2] They have many common names, including cacos, dainty frogs, and metal frogs.

[1] The genus contains 17 species:[1] Cacosternum poyntoni, Poynton's caco, is now considered a synonym of Cacosternum nanum.

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