Enteromius holotaenia (Boulenger, 1904)
Spotscale barb
Enteromius holotaenia
photo by RMCA

Family:  Cyprinidae (Minnows or carps), subfamily: Smiliogastrinae
Max. size:  12 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater; pH range: 6 - 6.5; dH range: 8,
Distribution:  Africa: Sanaga (Cameroon) to Chiloango basin (Republic of the Congo); also in the Chad basin (Ref. 81639). Occurs southwards to the lower reaches of Angolan Atlantic coastal rivers, including the Cuanza (Ref. 120641), although reports from the Lucala and Bengo rivers are misidentifications according to Ref. 11970; may need verification. Widespread in the Congo River basin, from the lower Congo (Ref. 41591) to the middle Luapula (Ref. 45616). Report from the Aruwimi (Ref. 41590) questionable (Ref. 106290).
Diagnosis:  Dorsal spines (total): 1-1; Dorsal soft rays (total): 10-11; Anal soft rays: 7-7. Diagnosis: mouth subinferior; two pairs of barbels, anterior pair equal to eye diameter and posterior pair 1.3-1.67x eye diameter; lateral line complete; 22-27 scales in lateral line; 4.5 scales between lateral line and origin of dorsal fin; 12 scales around caudal peduncle; dorsal fin slightly concave; last simple ray of dorsal fin feebly ossified and serrated on posterior side; large black stripe on sides; base of first rays of dorsal fin without black spot; dorsal fin with black markings; pectoral fins not reaching origin of pelvic fins, pectoral and pelvic fins whitish; anal fin may have black spot (Ref. 81639). Description: medium-sized species; scales radially striated; 4.5 scales between lateral line and mid-belly; 2-3 scales between lateral line and pelvic fin insertion; D:III,8(9); A:II,5; P:14-15; V:8-9; dorsal fin slightly concave (Ref. 81639). Coloration: ground color brown dorsally, silvery ventrally; scales with dark basal spot; black band extending from snout to caudal fin base; distal half of dorsal fin black or at least with traces of black spot; pectoral and pelvic fins whitish; anal and caudal fins yellow-orange, sometimes with black tips (Ref. 81639).
Biology:  Strictly insectivorous, feeding mainly on aquatic benthic insects associated with terrestrial insects during the rainy season; breeds during the rainy season, with fecundity ranging between 5 and 18 eggs per gram of body weight (Ref. 12311).
IUCN Red List Status: Least Concern (LC); Date assessed: 01 May 2009 Ref. (130435)
Threat to humans:  harmless


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