HomeFish encyclopediaRay-finned fishesFlatfishesAmerican solesSpottedfin sole Spottedfin sole (Trinectes fonsecensis) Scientific name: Trinectes fonsecensis G?nther, 1862 The Spottedfin sole (Trinectes fonsecensis) is a brackish-water fish of the family Achiridae. In the aquarium it needs water at 26–30°C (79–86°F). Native range: Eastern Central Pacific, Gulf of California to Ecuador. Spottedfin sole care at a glanceTemperature26–30°C (79–86°F) BiologyFound on shallow muddy and sandy bottoms, near estuaries and coastal lagoons. Regularly penetrating brackish waters. Feeds on crustaceans, small fishes and occasionally, detritus.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTrinectes fonsecensisFamilyAchiridae (American soles)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length25.0Common length14.0Depth range40 m (131 ft)EnvironmentMarine; brackish; demersal; depth range ? - 40 mClimateTropicalDistributionEastern Central Pacific: Gulf of California to Ecuador.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interestResilienceMedium, 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