HomeFish encyclopediaRay-finned fishesBony tonguesElephantfishesWestern bottlenose mormyrid Western bottlenose mormyrid (Mormyrus lacerda) Scientific name: Mormyrus lacerda Castelnau, 1861 The Western bottlenose mormyrid (Mormyrus lacerda) is a freshwater fish of the family Mormyridae. Native range: Africa, Cunene, Okavango, upper Zambezi and Kafue systems. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 62-68; Anal spines: 0; Anal soft rays: 18 - 21. Diagnosis: dorsal fin greater than twice length of anal fin; dorsal origin nearer tip of snout than caudal fin base; snout 3-3.2 times in head length; caudal peduncle more than 4 times in standard length.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMormyrus lacerdaFamilyMormyridae (Elephantfishes)OrderOsteoglossiformes (Bony tongues)ClassActinopterygii (Ray-finned fishes)Maximum length50.0EnvironmentFreshwater; demersalClimateTropicalDistributionAfrica: Cunene, Okavango, upper Zambezi and Kafue systems.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: commercial; gamefish: yesResilienceHigh, minimum population doubling time less than 15 months (K=0.8) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026