6091 Sedercypris calidus (Barnard, 1938) Cyprinidae Minnows or carps Smiliogastrinae Cypriniformes Teleostei Clanwilliam redfin Africa: Clanwilliam Olifants River system, western Cape in South Africa (Ref. 7248, 119402). Many populations have been reduced or extirpated by introduced alien bass (Ref. 7248).