. Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) ... Fishes; Freshwater animals. 174 CICHLID^. Chromis rangii, Rochebr. Actes Soc. Linn. Bord. (4) vi. 1883, p. 133. Tilapia microcephala, Boiileng. Proc. Zool. Soc. 1899, p. 114; Lonnb. Ann. & Mag. N. H. (7) xli. 190;5, p. 41. Depth of body 2 to 2^ times in total length, length of head 2f to 3 times. Head If to 2 times as long as broad; snout rounded, with straight or convex upper profile, as long as broad or a little broader than long, f to f postocular part of head; eye 3 (young) to 5 times in length


. Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) ... Fishes; Freshwater animals. 174 CICHLID^. Chromis rangii, Rochebr. Actes Soc. Linn. Bord. (4) vi. 1883, p. 133. Tilapia microcephala, Boiileng. Proc. Zool. Soc. 1899, p. 114; Lonnb. Ann. & Mag. N. H. (7) xli. 190;5, p. 41. Depth of body 2 to 2^ times in total length, length of head 2f to 3 times. Head If to 2 times as long as broad; snout rounded, with straight or convex upper profile, as long as broad or a little broader than long, f to f postocular part of head; eye 3 (young) to 5 times in length of head, 1 (young) to If times interorbital width, much shorter than prseorbital depth in adult; mouth rather small, J to f width of head, extending to below nostril or a little beyond ; teeth in 3 (young) to. Tilapia heudeloti. Senegal. ^. 7 series, 40 (young) to 110 in outer series of upper jaw; 2 or 3 series of scales on the cheek, width of scaly part not more than diameter of eye. Gill-rakers short, 15 to 19 on lower part of anterior arch. Dorsal XV- XVI (rarely XIV or XVII) 11-13; spines subequal from the sixth, or last longest, f to ^ length of head; longest soft ray f to | length of head. Anal III 8-11; third spine f to f length of head. Pectoral 1^ to ]f times as long as head, reaching vertical of origin of anal, or beyond. Ventral reaching anal or vent, or not quite so far. Caudal truncate or feebly but distinctly emarginate. Caudal peduncle deeper than Ion". Scales cycloid, 27-30 ;]^; lateral lines -g^\ Olive above, golden. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). Dept. of Zoology; Boulenger, George Albert, 1858-1937. London, Printed by order of the Trustees [by Taylor and Francis]


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