Coptodon nyongana (Thys van den Audenaerde, 1971)
Coptodon nyongana
photo by RMCA

Family:  Cichlidae (Cichlids), subfamily: Pseudocrenilabrinae
Max. size:  21 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater,
Distribution:  Africa: Dja (middle Congo River basin), Nyong and Ntem in Cameroon, and Komo and OgoouĂ© in Gabon (Ref. 81260).
Diagnosis:  Dorsal spines (total): 14-15; Dorsal soft rays (total): 11-12; Anal spines: 3-3; Anal soft rays: 8-9. Diagnosis: 10 or fewer rakers on lower limb of first arch; unpaired fins not predominantly red-brown; mouth terminal; 29-30 lateral line scales; outer row teeth robust; dorsal fin with 14-15 spines and 11-12 soft rays (total rays 26-27); anal fin with 3 spines and 8-9 soft rays; caudal fin weakly covered with scales; vertical stripes strongly pronounced, only slightly enlarged on flanks; a black spot at base of each scale; clear spots on occiput and opercle; belly whitish (Ref. 81260). Description: relatively deep-bodied; head profile slightly rounded (Ref. 52307). Lower pharyngeal jaw with pointed, curved anterior teeth and tricuspid posterior teeth; ventral keel shorter than dentigerous plate; 3-6 rows of teeth in oral jaws, teeth in outer rows bicuspid (Ref. 81260). Coloration: base body color creamy, becoming grey-brown dorsally, blackish-grey on dorsum of the head, and completely white on throat, chest and belly; 3-5 dark bars on flanks, particularly visible at mid-body level; flank scales with dark basal spot; upper lip dark, lower lip white; behind the eye, on upper part of opercle and occiput, numerous large white spots with a silvery tinge; along dorsum, posterior border of scales often silvery white; spinous dorsal fin uniformly dark grey, darker distally; soft dorsal dark with some clear maculae, "tilapia spot" present but not ocellated; caudal fin dark with pale streaks; anal fin uniformly dark; pelvics dusky but with white leading edge (Ref. 81260).
Biology:  Substrate brooder (Ref. 81260).
IUCN Red List Status: Least Concern (LC); Date assessed: 16 February 2009 Ref. (124695)
Threat to humans:  harmless
Country info:   

Entered by: Sa-a, Pascualita - 04.03.94
Modified by: Boden, Gert - 19.07.16
Checked by: Sa-a, Pascualita - 31.08.94

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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