Description: English: Labeo umbratus, 'length 16 inches'. Date: 1779. Source: Robert Jacob Gordon (1743-1795). Author: Robert Jacob Gordon/Johannes Schumacher. Permission(Reusing this file): PD.
Description: Deutsch: Labeo umbratus. Date: 10 January 1916. Source: https://archive.org/stream/catalogueoffresh04brit#page/n4/mode/1up Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) by British Museum (Natural History). Dept. of Zoology. Author: Boulenger, George Albert, 1858-1937.