HomeFish encyclopediaRay-finned fishesPerch-like fishSleepersLarge-scaled spinycheek sleeper Large-scaled spinycheek sleeper (Eleotris amblyopsis) Scientific name: Eleotris amblyopsis Cope, 1871 The Large-scaled spinycheek sleeper (Eleotris amblyopsis) is a freshwater fish of the family Eleotridae. In the aquarium it needs water at 25–28°C (77–82°F). Native range: North to South America, Atlantic drainage between South Carolina, USA and to French Guiana. Large-scaled spinycheek sleeper care at a glanceTemperature25–28°C (77–82°F) BiologyDorsal spines (total): 6; Dorsal soft rays (total): 9; Anal spines: 0; Anal soft rays: 9Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEleotris amblyopsisFamilyEleotridae (Sleepers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.0EnvironmentMarine; freshwater; brackish; demersal; amphidromousClimateTropicalDistributionNorth to South America: Atlantic drainage between South Carolina, USA and to French Guiana.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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