HomeFreshwater aquarium fishOddballs & predatorsShortnose gar Shortnose gar (Lepisosteus platostomus) Scientific name: Lepisosteus platostomus Rafinesque, 1820 The Shortnose gar (Lepisosteus platostomus) is a freshwater fish of the family Lepisosteidae. In the aquarium it needs water at 10–18°C (50–64°F). Shortnose gar care at a glanceTemperature10–18°C (50–64°F) BiologyInhabit quiet pools and backwaters of creeks and small to large rivers, swamps, lakes and overflow areas of large streams. Often occur near vegetation and submerged logs. Feed on other fishes and insects. Spawning occurs over vegetation or other submerged objects.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLepisosteus platostomusFamilyLepisosteidae (Gars)OrderLepisosteiformes (Gars)ClassActinopterygii (Ray-finned fishes)Maximum length88.0Common length62.5EnvironmentFreshwater; demersalClimateTemperateDistributionNorth America: USA in Mississippi River basin from south central Ohio, north Indiana, and Wisconsin to Montana and south to north Alabama and Louisiana; Lake Michigan drainage, Wisconsin; Calcasieu and Mermentau rivers on Louisiana Gulf Coast.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesGamefish: yes; aquarium: public aquariumsResilienceLow, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.) More oddballs & predatorsPetrocephalus bovei boveiWest African bichirPolypterus retropinnisElephantnose fishGnathonemus petersiiClown knifefishChitala chitalaFreshwater butterflyfishPantodon buchholziAfrican ReedfishErpetoichthys calabaricusSee 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