HomeFreshwater aquarium fishSharks & algae eatersBlack sharkminnow Black sharkminnow (Labeo chrysophekadion) Scientific name: Labeo chrysophekadion Bleeker, 1850 The Black sharkminnow (Labeo chrysophekadion) is a freshwater fish of the family Cyprinidae that grows to about 90 cm (35 in). It is easy to keep and peaceful, suits community aquariums and needs a tank of at least 475 L (125 US gal), water at 24–27°C (75–81°F) and a pH of 6.5–7.5. Native range: Asia, Mekong and Chao Phraya river basins, Malay Peninsula, Sumatra, Java and Borneo. Black sharkminnow care at a glanceCare levelEasyTemperamentPeacefulCommunity tankGoodAdult size90 cm (35 in)Minimum tank475 L (125 US gal)Temperature24–27°C (75–81°F)pH6.5–7.5Hardness2–15 dGH (36–268 ppm)DietOmnivore. Accepts pellets, algae wafers, frozen foods, live foods and brine shrimp. BiologyHas black body and fins; a large dorsal fin, with anterior branched dorsal rays longer than head length; 15-18 branched dorsal rays; both lips fringed; juveniles all black; large adults grey with one iridescent spot on each scale.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLabeo chrysophekadionFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length90.0EnvironmentFreshwater;; pH range: 6.5 - 7.5; dH range: ? - 15 benthopelagic; potamodromousClimateTropicalDistributionAsia: Mekong and Chao Phraya basins, Malay Peninsula, Sumatra, Java and Borneo.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; aquarium: commercialResilienceVery Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.) More sharks & algae eatersChinese suckerMyxocyprinus asiaticusFlying foxEpalzeorhynchos kalopterusLuciosoma setigerumLuciosoma pellegriniiHoven's carpLeptobarbus hoeveniiRedeye labeoLabeo cylindricusSee all sharks & algae eaters Can it live with...?Black sharkminnow and Black ghostBlack sharkminnow and Blackbarred limiaBlack sharkminnow and Bleeding-heart tetraBlack sharkminnow and Bloodfin tetraBlack sharkminnow and Bluespotted corydorasBlack sharkminnow and Brilliant rasboraBlack sharkminnow and Butterfly splitfinBlack sharkminnow and Chinese suckerBlack sharkminnow and Clown barbBlack sharkminnow and Clown loachBlack sharkminnow and Clown rasboraBlack sharkminnow and Crescent bettaBlack sharkminnow and DadioBlack sharkminnow and Dwarf botiaBlack sharkminnow and Dwarf rainbowfishBlack sharkminnow and Eel LoachBlack sharkminnow and Flying foxBlack sharkminnow and Forktail rainbowfishBlack sharkminnow and Gangetic leaffishBlack sharkminnow and Garnet tetraBlack sharkminnow and Glass catfishBlack sharkminnow and Glowlight tetraBlack sharkminnow and Goldeneye cichlidBlack sharkminnow and Gulf gambusiaBlack sharkminnow and Head-and-taillight tetraBlack sharkminnow and Horseface loachBlack sharkminnow and Hoven's carpBlack sharkminnow and Indian glassy fishBlack sharkminnow and Lake Kutubu rainbowfishBlack sharkminnow and Leopard corydoras 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