HomeFreshwater aquarium fishCatfish & plecosChocolate-colored catfish Chocolate-colored catfish (Rineloricaria lanceolata) Scientific name: Rineloricaria lanceolata G?nther, 1868 The Chocolate-colored catfish (Rineloricaria lanceolata) is a freshwater fish of the family Loricariidae that grows to about 9.5 cm (3.7 in). It is easy to keep and peaceful, suits community aquariums and needs a tank of at least 115 L (30 US gal), water at 25–28°C (77–82°F) and a pH of 6.0–8.0. Native range: South America, Upper Amazon River basin. Chocolate-colored catfish care at a glanceCare levelEasyTemperamentPeacefulCommunity tankGoodAdult size9.5 cm (3.7 in)Minimum tank115 L (30 US gal)Temperature25–28°C (77–82°F)pH6.0–8.0Hardness5–19 dGH (89–339 ppm)DietOmnivore. Accepts flakes, sinking pellets, frozen foods and brine shrimp. BiologyAquarium keeping: feeds on plants and roots; minimum aquarium size 80 cm.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameRineloricaria lanceolataFamilyLoricariidae (Armored catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length9.5EnvironmentFreshwater;; pH range: 6.0 - 8.0; dH range: 5 - 19 demersalClimateTropicalDistributionSouth America: Upper Amazon River basin.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercial More catfish & plecosAcanthicus adonisOtocinclus vestitusAncistrus temminckiiDekeyseria pulchraDekeyseria brachyuraHypostomus cochliodonSee all catfish & plecos 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