Enteromius jae (Boulenger, 1903)
Jae barb
photo by Hippocampus-Bildarchiv

Family:  Cyprinidae (Minnows or carps), subfamily: Smiliogastrinae
Max. size:  3.8 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater; pH range: 5.5 - 6; dH range: 1 - 5
Distribution:  Africa: various rivers from the Wouri in Cameroon to the Kouilou-Niari in Republic of Congo (Ref. 27690, 81639) and the Chiloango basin in Angola (Cabinda) (Ref. 81639, 120641). Also in the lower and middle Congo River in Cameroon, Republic of Congo and Democratic Republic of the Congo (Ref. 27690, 106245, 106290), up to the lower Lualaba (Ref. 27690).
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 10-11; Anal spines: 0-0; Anal soft rays: 8-8; Vertebrae: 29-31. Diagnosis: Mouth (almost) terminal; barbels absent; lateral line incomplete with 2-6 perforated scales; 18-25 scales in lateral line; 8-10 circumpeduncular scales; 2.0 scales between lateral line and pelvic fin insertion; gill rakers present along lower limb of first gill arch; dorsal fin with straight posterior margin (Ref. 81639). Last simple ray of dorsal fin soft and flexible; 3 simple rays in dorsal fin (Ref. 27690, 81639). 13-15 rays in pectoral fin (Ref. 81639). 1 infraorbital bone without sensory canal behind the lacrimal (Ref. 27690). Description: Small-sized species (Ref. 81639). No barbels (Ref. 122753). Dorsal fin with 3 unbranched and 7-8 branched rays; anal fin with 3 unbranched and 5 branched rays; pectoral fin with 13-15 rays; pelvic fin with 8-9 rays; dorsal fin with straight border, last simple ray not ossified, shorter than head (Ref. 81639). Scales with radial striae; lateral line incomplete, with 2-6 perforated scales; 18-25 scales in lateral line; 3.5 scales between lateral line and dorsal fin origin; 3.5 scales between lateral line and mid-belly (Ref. 81639). Colouration: Ground colour yellow; scales with dark brown border; large round spot behind opercle, another at caudal fin base with 3-11 vertical bars between them; small black spot at dorsal fin origin (Ref. 81639). More information on intraspecific variation in colouration in Ref. 27690.
IUCN Red List Status: Least Concern (LC); Date assessed: 16 February 2009 Ref. (130435)
Threat to humans:  harmless

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