(Synodontis macrostoma)
Synodontis macrostoma, known as the largemouth squeaker, is a species of upside-down catfish that is native to Namibia and Zambia where it is found in the Kafue, upper Zambezi, Okavango and Cunene Rivers. It was first described by Paul H. Skelton and Peter N. White in 1990. The original specimens were obtained in Upper Zambezi River at Katima Mulilo, Caprivi, Namibia. The species name macrostoma means "large mouth", which refers to its distinctive large mouth.