Cover photo by Jean-Paul Brouard. Find the Common Caco in the FBIS database (Freshwater Biodiversity Information System) here. Family Pyxicephalidae Identification The Common or Boettger’s Caco is a small species that attains 23mm in length. The body is somewhat elongate and widest in the belly region, with a narrow head and a long neck. The dorsal colouration varies … Continue reading Common Caco (Cacosternum boettgeri)