. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. TILAPIA. 155 Tilapia mossambica, Bouleng. Tr. Zool. Soc. xv. 1898, p. 4, and Proc. Zool. Soc. 1899, p. Ill ; Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 309. Tilapia dumerili, Bouleng. Proc. Zool. Soc. 1899, p. 116 ; Pellegr. t. c. p. 317. Depth of body 1\ to 2f times in total length, length of head 2§ to 3 times. Head If to 2 times as long as broad, with concave upper profile; snout rounded, as broad as or a little broader than long, as long
. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. TILAPIA. 155 Tilapia mossambica, Bouleng. Tr. Zool. Soc. xv. 1898, p. 4, and Proc. Zool. Soc. 1899, p. Ill ; Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 309. Tilapia dumerili, Bouleng. Proc. Zool. Soc. 1899, p. 116 ; Pellegr. t. c. p. 317. Depth of body 1\ to 2f times in total length, length of head 2§ to 3 times. Head If to 2 times as long as broad, with concave upper profile; snout rounded, as broad as or a little broader than long, as long as or a little shorter than postocular part of head ; eye 4-j (young) to 6| times in length of head, f to § interorbital width, equal to or a little less than praeorbital depth ; mouth large, at least -f width of head, often nearly as wide as head, extending to below anterior border of Fig, 101. M xfr V '".; --3 "^S^u^;::. Tilapia mossambica. Zanzibar Coast, f. eye, or not quite so far; teeth in 4 (young) to 8 series*, GO (young) to 100 in outer series of upper jaw ; 2 or 3 series of scales on the cheek, width of scaly part at least nearly equal to diameter of eye. Gill-rakers short, 17 to 20 on lower part of anterior arch. Dorsal XV-XVI 10-11; last spine longest, f to f length of head; longest soft ray f to f length of head. Anal HI (rarely IV) 9-10; third spine a little shorter than last dorsal. Pectoral as long as or a little shorter than head, reaching vertical of origin of anal or beyond. Ventral reaching vent or origin of anal. Caudal rounded in the adult, truncate in the young. Caudal peduncle as long as deep or slightly deeper than long. Scales cycloid, * In the largest specimen, from Koso Bay, the teeth of the three outer series in both jaws are conical, without a trace of secondary Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrat
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