HomeFreshwater aquarium fishOddballs & predatorsDario dario Dario dario Scientific name: Dario dario Hamilton, 1822 Dario dario is a freshwater fish of the family Badidae that grows to about 54 cm (21 in). It is semi-aggressive, needs carefully chosen tank mates and needs a tank of at least 40 L (11 US gal), water at 23–26°C (73–79°F) and a pH of 6.5–7.5. Native range: Asia, India. Dario dario care at a glanceTemperamentSemi-aggressiveCommunity tankWith cautionAdult size54 cm (21 in)Minimum tank40 L (11 US gal)Temperature23–26°C (73–79°F)pH6.5–7.5Hardness8–15 dGH (143–268 ppm)DietOmnivore. Accepts flakes, frozen foods, live foods, bloodworms and brine shrimp. BiologyDorsal spines (total): 12 - 14; Dorsal soft rays (total): 6-8; Anal soft rays: 6 - 7; Vertebrae: 24 - 25. No palatine dentition. Scales in transverse row 8.5. Pre-, post-, and supraorbital stripes present. No anguloarticular lateralis canal. Males with 7 prominent dark vertical bars across sides; females uniform or with indistinct vertical bars.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDario darioFamilyBadidae (Chameleonfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length1.5Depth range0–1 m (0–3 ft)EnvironmentFreshwater; benthopelagic; depth range 0 - 1 mClimateTropicalDistributionAsia: India.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesAquarium: commercial More oddballs & predatorsPirapatingaPiaractus brachypomusChanna aurantimaculataParachanna obscuraLesser spiny eelMacrognathus aculeatusGymnothorax tileFreshwater butterflyfishPantodon buchholziSee all oddballs & predators 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