HomeFreshwater aquarium fishSouth & Central American cichlidsOrinoco eartheater Orinoco eartheater (Biotodoma wavrini) Scientific name: Biotodoma wavrini Gosse, 1963 The Orinoco eartheater (Biotodoma wavrini) is a freshwater fish of the family Cichlidae. In the aquarium it needs water at 26–30°C (79–86°F). Native range: South America, Amazon River basin, in the middle and upper Negro River drainage in Brazil and Venezuela; Orinoco River basin in Colombia and Venezuela. Orinoco eartheater care at a glanceTemperature26–30°C (79–86°F) Species factsScientific nameBiotodoma wavriniFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length10.0EnvironmentFreshwater; benthopelagicClimateTropicalDistributionSouth America: Amazon River basin, in the middle and upper Negro River drainage in Brazil and Venezuela; Orinoco River basin in Colombia and Venezuela.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec More south & central american cichlidsCockatoo cichlidApistogramma cacatuoidesRam cichlidMikrogeophagus ramireziRedbreast acaraLaetacara dorsigeraThreespot eartheaterSatanoperca daemonFlag acaraLaetacara curvicepsEmerald cichlidHypselecara temporalisSee all south & central american cichlids SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026