HomeFreshwater aquarium fishTetras & characinsTailspot tetra Tailspot tetra (Bryconops caudomaculatus) Scientific name: Bryconops caudomaculatus G?nther, 1864 The Tailspot tetra (Bryconops caudomaculatus) is a freshwater fish of the family Characidae. In the aquarium it needs water at 23–26°C (73–79°F). Native range: South America, coastal streams of the Guiana Shield, Orinoco and Amazon River basins. Tailspot tetra care at a glanceTemperature23–26°C (73–79°F) BiologyOccurs in rapidly flowing water with a rocky bottom. Like other taxa of the same genus, it is omnivorous and feeds on small fish. Is known to be quarrelsome.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBryconops caudomaculatusFamilyCharacidae (Characins)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length7.0EnvironmentFreshwater;; pH range: 6.5 - 7.5; dH range: ? - 25 benthopelagicClimateTropicalDistributionSouth America: coastal streams of the Guiana Shield, Orinoco and Amazon River basins.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tetras & characinsCochu's blue tetraBoehlkea fredcochuiRedflank bloodfinAphyocharax rathbuniDarter characinCharacidium fasciatumRummy-nose tetraHemigrammus rhodostomusEmber tetraHyphessobrycon amandaeOrnate tetraHyphessobrycon bentosiSee all tetras & characins SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026