HomeFreshwater aquarium fishOther freshwater fishMuskellunge Muskellunge (Esox masquinongy) Scientific name: Esox masquinongy Mitchill, 1824 The Muskellunge (Esox masquinongy) is a freshwater fish of the family Esocidae. BiologyLives in clear vegetated lakes, quiet pools and backwaters of creeks and small to large rivers. Solitary, lurking hunter on other fishes as well as on ducklings, muskrats, and snakes. Oviparous, spawn in spring as the ice melts.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEsox masquinongyFamilyEsocidae (Pikes)OrderEsociformes (Pikes and Mudminnows)ClassActinopterygii (Ray-finned fishes)Maximum length183Common length95.0EnvironmentFreshwater; demersal; non-migratoryClimateTemperateDistributionNorth America: Native to St. Lawrence River - Great Lakes, Hudson Bay (Red River), and Mississippi River basins. Introduced elsewhere in the USA. Native populations are protected in portions of Tennessee and Ohio.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; aquaculture: commercial; gamefish: yes; aquarium: public aquariumsResilienceLow, minimum population doubling time 4.5 - 14 years (K=0.07-0.15; tmax=30) More other freshwater fishSouth American lungfishLepidosiren paradoxaLined soleAchirus lineatusPumpkinseedLepomis gibbosusShort-tailed pipefishMicrophis brachyurus brachyurusFinescale tigerfishDatnioides microlepisFreshwater garfishXenentodon cancilaSee all other freshwater fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026