HomeFreshwater aquarium fishPuffers, gobies & brackish fishMalabar pufferfish Malabar pufferfish (Carinotetraodon travancoricus) Scientific name: Carinotetraodon travancoricus Hora & Nair, 1941 The Malabar pufferfish (Carinotetraodon travancoricus) is a freshwater fish of the family Tetraodontidae that grows to about 2.5 cm (1 in). It is semi-aggressive, is best kept in a species tank and needs a tank of at least 20 L (5 US gal), water at 22–28°C (72–82°F) and a pH of 7.5–8.3. Native range: Asia, Kerala, Malabar, India. Malabar pufferfish care at a glanceTemperamentSemi-aggressiveCommunity tankNot suitableAdult size2.5 cm (1 in)Minimum tank20 L (5 US gal)Temperature22–28°C (72–82°F)pH7.5–8.3Hardness5–15 dGH (89–268 ppm) BiologyReaches less than 2.5 cm TL. Probably one of the endangered species. Maximum length of 15 cm TL in is erroneous; length needs better source (RF).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCarinotetraodon travancoricusFamilyTetraodontidae (Puffers)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length3.5EnvironmentFreshwater;; pH range: 7.5 - 8.3 demersal; potamodromousClimateTropicalDistributionAsia: India.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More puffers, gobies & brackish fishStigmatogobius sadanundioNorthern trout gudgeonMogurnda mogurndaViolet gobyGobioides broussonnetiiPeacock gudgeonTateurndina ocellicaudaSpotted scatScatophagus argusAtlantic mudskipperPeriophthalmus barbarusSee all puffers, gobies & brackish fish Can it live with...?Malabar pufferfish and Atlantic mudskipperMalabar pufferfish and Banded archerfishMalabar pufferfish and Eyespot pufferfishMalabar pufferfish and Globe fishMalabar pufferfish and Indian glassy fishMalabar pufferfish and Northern trout gudgeonMalabar pufferfish and Peacock gudgeonMalabar pufferfish and Silver moonyMalabar pufferfish and Spotted scatMalabar pufferfish and Violet goby 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