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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 | |||