Labeobarbus nelspruitensis (Gilchrist & Thompson, 1911)
Incomati chiselmouth

Family:  Cyprinidae (Minnows or carps), subfamily: Torinae
Max. size:  32 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Africa: escarpment streams of the Incomati in Mozambique and Phongolo systems in South Africa (Ref. 2801, 52193).
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 12-13; Anal spines: 0-0; Anal soft rays: 8-8. Description: Head broad, convex; mouth wide, inferior, with a straight, horny-edged lower jaw and a single pair of short, flattened barbels (Ref. 52193). Both sexes develop small white tubercles on head, especially on cheeks and snout, scales and anal fin (Ref. 52193). Dorsal fin with 4 unbranched and 8-9 branched rays; anal fin with 3 unbranched and 5 branched rays; primary dorsal-fin ray flexible; dorsal fin origin in advance of origin of pelvic fins (Ref. 52193). Scales longitudinally striated; 35-41 scales in lateral line, 13-16 around caudal peduncle (Ref. 52193).

Colouration: Dark olive above, light olive yellow to creamy white below (Ref. 52193).

Biology:  Found in cool rocky flowing-water habitats; occurs in schools of up to 50-100 fishes (Ref. 52193). It scrapes `aufwuchs' and benthic invertebrates from rocks (Ref. 52193). Breeds in summer (Ref. 7248, 52193). Occasionally caught by anglers (Ref. 52193).
IUCN Red List Status: Near Threatened (NT); Date assessed: 06 December 2016 (B1b(iii,iv)) Ref. (130435)
Threat to humans:  harmless
Country info:  Reported from the Usutu system in the highveld (Ref. 13406). There has been no current confirmation of this but the species has been captured in the Komati system (Klaasen 1997, pers. comm.). Status of threat: Near threatened (Ref. 58453).


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