ΑγγλικάDiagnosis: 15-20 rakers on lower limb of first arch; 30-32 scales in lateral line (Ref. 81260). Body dark grey or green (Ref. 2, 81260). Head large, especially in adults (Ref. 2), its length 37-45% of standard length (Ref. 81260). Jaw teeth very small (Ref. 81260). Breeding males green; intense tilapia-mark present in young until about 10 cm SL, absent above 15 cm SL; as the gonads mature the lower parts of the head and the flanks become more metallic and green; most brooding females silver grey in general color; fins mainly of a neutral color; pelvic fins may be yellow (Ref. 2).
Description: lower pharyngeal jaw with unicuspid anterior and posterior teeth; ventral keel elongate, longer than dentigerous plate; 3-6 rows of teeth in oral jaws, outer row teeth bicuspid in juveniles and females, unicuspid in adult males (Ref. 81260).
Coloration: base body color greenish, sometimes with black spots and blotches ventrally; fins generally with neutral color, but pelvics may be yellow; juveniles silvery, with very distinct "tilapia spot" in soft dorsal fin, but these are not present in adults (Ref. 81260).
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