Genus: Tilapia, Tilapias
lower gill rakers 7-16
Body an elongate oblong; 1 pair of nostrils; top jaw highly protrusible; teeth fine, close set, in several rows on jaws, outer row not movable or nearly so; toothed throat apparatus: lower plate broadly triangular, as wide as long, bottom keel shorter than depth of triangular toothed surface, rear teeth with 2-4 points; gill rakers simple, lower rakers 7-16; one dorsal fin XV-XVII, without a notch between spines and rays; anal fin III; lateral line in 2 straight overlapping sections, with 27-32 large lateral scales; juveniles and adults with a dark spot on base of front dorsal fin soft rays.
An African genus of freshwater fishes with at least 30 species. Two that enter brackish water have been introduced to our area.