HomeFish encyclopediaRay-finned fishesPerch-like fishSleepersSpinycheek sleeper Spinycheek sleeper (Eleotris pisonis) Scientific name: Eleotris pisonis Gmelin, 1789 The Spinycheek sleeper (Eleotris pisonis) is a freshwater fish of the family Eleotridae. In the aquarium it needs water at 25–28°C (77–82°F). Native range: Northwest to western Central Atlantic, Bermuda, Bahamas, South Carolina and northern Gulf of Mexico in USA to southeastern Brazil. Spinycheek sleeper care at a glanceTemperature25–28°C (77–82°F) BiologyDorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 0; Anal soft rays: 9Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEleotris pisonisFamilyEleotridae (Sleepers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length25.0Common length12.5EnvironmentMarine; freshwater; brackish; demersal; amphidromousClimateTropicalDistributionNorthwest to western Central Atlantic: Bermuda, Bahamas, South Carolina and northern Gulf of Mexico in USA to southeastern Brazil.Conservation status (IUCN)Not EvaluatedThreat 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