HomeFreshwater aquarium fishTetras & characinsBlack phantom tetra Black phantom tetra (Hyphessobrycon megalopterus) Scientific name: Hyphessobrycon megalopterus Eigenmann, 1915 The Black phantom tetra (Hyphessobrycon megalopterus) is a freshwater fish of the family Characidae that grows to about 4 cm (1.6 in). It is easy to keep and peaceful, suits community aquariums and needs a tank of at least 75 L (20 US gal), water at 22–28°C (72–82°F) and a pH of 6.0–7.5. Native range: South America, Upper Paraguay and Guapor? River basins. Black phantom tetra care at a glanceCare levelEasyTemperamentPeacefulCommunity tankExcellentAdult size4 cm (1.6 in)Minimum tank75 L (20 US gal)Temperature22–28°C (72–82°F)pH6.0–7.5Hardness2–18 dGH (36–321 ppm)DietOmnivore. Accepts flakes, frozen foods and live foods. BiologyFeeds on worms, small insects and crustaceans. Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHyphessobrycon megalopterusFamilyCharacidae (Characins)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length3.6EnvironmentFreshwater;; pH range: 6.0 - 7.5; dH range: ? - 18 benthopelagicClimateTropicalDistributionSouth America: Upper Paraguay and Guapor? River basins.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tetras & characinsRed phantom tetraHyphessobrycon sweglesiLemon tetraHyphessobrycon pulchripinnisFlag tetraHyphessobrycon heterorhabdusCongo tetraPhenacogrammus interruptusBlack neon tetraHyphessobrycon herbertaxelrodiDiamond tetraMoenkhausia pittieriSee all tetras & characins Can it live with...?Black phantom tetra and Black neon tetraBlack phantom tetra and Bleeding-heart tetraBlack phantom tetra and Bloodfin tetraBlack phantom tetra and Flag tetraBlack phantom tetra and Flame tetraBlack phantom tetra and Garnet tetraBlack phantom tetra and Glowlight tetraBlack phantom tetra and Head-and-taillight tetraBlack phantom tetra and Lemon tetraBlack phantom tetra and Pinktail chalceusBlack phantom tetra and Red phantom tetra 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