Grasseichthys zamba
Grasseichthys zamba Bragança, Iyaba & Stiassny, 2025

Family:  Kneriidae (Shellears)
Max. size:  1.8 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Africa: Democratic Republic of Congo.
Diagnosis:  Dorsal soft rays (total): 6-6; Anal soft rays: 7-7; Vertebrae: 39-40. This species is distinguished from its congeners by the following set of characters: higher number of vertebrae 39-40* (20* precaudal +19-20* caudal); fusion of caudal-fin hypurals 4 +5; pectoral fin 12.3%-13.7% SL; pelvic fin 10%-11.1% SL; caudal fin 18.8%-20.3% SL; head 40%-42.3% HL; eye diameter 35.5%-38.5% HL; and snout 23.1%-25.9% HL (Ref. 138392).
Biology:  This species inhabits densely shaded, black-water stream with a maximum depth of approximately 1.4 m and a subtrate composed of leaf litter (Ref. 138392).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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