Congoglanis sagittaCongoglanis sagitta is a species of catfish in the genus Congoglanis. It lives in the upper Congo River basin, specifically in tributaries of Lake Mweru, Luangwa River and Chambeshi River in Zambia.LengthIts length reaches.EtymologyThe fish's name is Latin for arrow, which refers to its slender, streamlined shape relative to that of its fellow genus fish.