HomeFish encyclopediaRay-finned fishesPuffers and FilefishesPuffersRedeye puffer Redeye puffer (Carinotetraodon lorteti) Scientific name: Carinotetraodon lorteti Tirant, 1885 The Redeye puffer (Carinotetraodon lorteti) is a freshwater fish of the family Tetraodontidae. In the aquarium it needs water at 24–28°C (75–82°F). Native range: Asia, Indochina, Malaysia and Indonesia. Redeye puffer care at a glanceTemperature24–28°C (75–82°F) BiologyFound in medium to large-sized rivers. Occurs in slowly flowing or standing freshwater habitats. Feeds on zooplankton, mollusks, crustaceans and other invertebrates. Popular in aquarium trade. Able to change colors depending on the surroundings. Sexually dimorphic, males and females often described as different species.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCarinotetraodon lortetiFamilyTetraodontidae (Puffers)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length6.0EnvironmentFreshwater;; pH range: 6.5 - 7.0; dH range: 3 - 10 benthopelagicClimateTropicalDistributionAsia: Indochina, Malaysia and Indonesia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026