HomeFreshwater aquarium fishOddballs & predatorsBornean leaffish Bornean leaffish (Nandus nebulosus) Scientific name: Nandus nebulosus Gray, 1835 The Bornean leaffish (Nandus nebulosus) is a freshwater fish of the family Nandidae. In the aquarium it needs water at 22–26°C (72–79°F). Native range: Asia, Thailand to Indonesia. Bornean leaffish care at a glanceTemperature22–26°C (72–79°F) BiologyFound in hill streams to peat. Recorded from small streams and flooded forest. Solitary and with its cryptic coloration, strongly resembles a piece of dead leaf. Feeds on small fishes and crustaceans.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNandus nebulosusFamilyNandidae (Asian leaffishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0Common length6.0EnvironmentFreshwater; brackish;; pH range: 7.0 - ?; dH range: 10 - ? benthopelagicClimateTropicalDistributionAsia: Thailand to Indonesia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercial More oddballs & predatorsGlass knifefishEigenmannia virescensBlack ghostApteronotus albifronsAmazon leaffishMonocirrhus polyacanthusApteronotus leptorhynchusGangetic leaffishNandus nandusEel LoachPangio anguillarisSee all oddballs & predators SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026