HomeFish encyclopediaRay-finned fishesPerch-like fishSleepersSpotted sleeper Spotted sleeper (Eleotris picta) Scientific name: Eleotris picta Kner, 1863 The Spotted sleeper (Eleotris picta) is a freshwater fish of the family Eleotridae. In the aquarium it needs water at 25–33°C (77–91°F). Native range: North to South America, Pacific slope of California, USA to Peru and at the Galapagos Islands. Spotted sleeper care at a glanceTemperature25–33°C (77–91°F) BiologyInhabits rivers of low to high current velocity and stagnant waters between sea level and 100 m elevation, generally occurs in freshwaters but sometimes in slightly brackish river mouths. More abundant near the coast and only large individuals are found upstream. Benthic species that lies waiting for prey, shrimps and fish under stones or overhanging shorelines.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEleotris pictaFamilyEleotridae (Sleepers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length44.0Common length25.0EnvironmentFreshwater; brackish; demersalClimateTropicalDistributionNorth to South America: Pacific slope of California, USA to Peru and at the Galapagos Islands.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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