HomeFreshwater aquarium fishTetras & characinsGlass bloodfin Glass bloodfin (Prionobrama filigera) Scientific name: Prionobrama filigera Cope, 1870 The Glass bloodfin (Prionobrama filigera) is a freshwater fish of the family Characidae that grows to about 6 cm (2.4 in). It is peaceful, suits community aquariums and needs a tank of at least 75 L (20 US gal), water at 22–26°C (72–79°F) and a pH of 5.7–7.5. Native range: South America, From Ecuador, Columbia, Brazil and Bolivia. Glass bloodfin care at a glanceTemperamentPeacefulCommunity tankGoodAdult size6 cm (2.4 in)Minimum tank75 L (20 US gal)Temperature22–26°C (72–79°F)pH5.7–7.5Hardness4–18 dGH (71–321 ppm)DietOmnivore. Accepts flakes, pellets, freeze-dried foods, bloodworms and brine shrimp. Species factsScientific namePrionobrama filigeraFamilyCharacidae (Characins)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length6.0EnvironmentFreshwater;; pH range: 6.0 - 7.8; dH range: ? - 30 pelagicClimateTropicalDistributionSouth America: Amazon River basin.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tetras & characinsBlack morpho tetraPoecilocharax weitzmaniGreen neon tetraParacheirodon simulansGlass tetraMoenkhausia oligolepisRoyal tetraInpaichthys kerriStriped pike-characinBoulengerella lateristrigaRosy tetraHyphessobrycon rosaceusSee all tetras & characins SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0. Aquarium care parameters compiled, checked and converted to metric and imperial units by Guppies.za.net.Last updated 28 September 2026