Kneria ansorgii (Boulenger, 1910)

Family:  Kneriidae (Shellears)
Max. size:  8 cm NG (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Africa: Cuanza (Atlantic coastal) (Ref. 1869, 120641) and (southern) Congo basin (Ref. 11970, 120641) in Angola. Also reported from the upper Lualaba in Democratic Republic of the Congo (Ref. 45616).
Diagnosis:  Dorsal spines (total): -0; Dorsal soft rays (total): 10; Anal spines: -0; Anal soft rays: 11-12. Diagnosis: body elongated, 5.66-6 times longer than deep (Ref. 45616). Body depth equal to head length, the latter 5.33 times in total length; eye lateral, visible from below as well as from above, its diameter 3.33 times in head length; sides and lower surface of head with conical horny tubercles; males with cupshaped apparatus on operculum, much larger than eye, and followed, on scapular region, by a large lamellar pad (18-19 lamellae) (Ref. 1869). Dorsal fin with 7 branched rays (Ref. 1880), originating well beyond vertical of base of pelvic fins (Ref. 1869, 45616). Anal fin with 8-9 branched rays (Ref. 1880). Caudal fin deeply notched, crescentic; pale brownish above, yellowish beneath, with scattered dark brown dots and a series of round blackish spots, connected by a dark brown lateral band, just above the lateral line; fins uniform whitish (Ref. 1869). A black dot at base of pelvic fins (Ref. 1880).
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 01 March 2007 Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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