HomeFish encyclopediaRay-finned fishesTrout-perches, Pirate perches and CavefishPirate perchesPirate perch Pirate perch (Aphredoderus sayanus) Scientific name: Aphredoderus sayanus Gilliams, 1824 The Pirate perch (Aphredoderus sayanus) is a freshwater fish of the family Aphredoderidae. In the aquarium it needs water at 5–26°C (41–79°F). Pirate perch care at a glanceTemperature5–26°C (41–79°F) BiologyAdults usually occur over mud in swamps, vegetated sloughs, ponds, lakes, backwaters, and quiet pools of creeks and small to large rivers. Nocturnal feeders. Feed on aquatic insects, small crustaceans, and occasional small fish including their own young. Eggs in nests are guarded by both parents.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAphredoderus sayanusFamilyAphredoderidae (Pirate perches)OrderPercopsiformes (Trout-perches, Pirate perches and Cavefish)ClassActinopterygii (Ray-finned fishes)Maximum length14.0Common length10.4EnvironmentFreshwater; demersalClimateTemperateDistributionNorth America: Eastern and central United States. Two subspecies were recognized by Boltz & Stauffer 1993: Aphredoderus sayanus sayanus in Atlantic Coast drainages from New York to Georgia; and A. sayanus gibbosus in the Mississippi River, Great Lakes, and western Gulf Coast drainages, with intergrades in Gulf Coast and Atlantic Coast drainages between Mississippi and Georgia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tmax=4; K=0.6) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026