HomeFish encyclopediaRay-finned fishesCharacinsPike-characidsGolden pike-characin Golden pike-characin (Boulengerella lucius) Scientific name: Boulengerella lucius Cuvier, 1816 The Golden pike-characin (Boulengerella lucius) is a freshwater fish of the family Ctenoluciidae. In the aquarium it needs water at 23–27°C (73–81°F). Native range: South America, Rio Amazonas and R?o Orinoco basins. Golden pike-characin care at a glanceTemperature23–27°C (73–81°F) BiologyDorsal spines (total): 0; Dorsal soft rays (total): 10-11; Anal spines: 0; Anal soft rays: 11; Vertebrae: 45 - 46. The location of the dorsal fin base distinctly anterior to the vertical through the anal fin origin distinguishes this species from all ctenoluciids except B. cuvieri and B. xyrekes, from which it can be distinguished by the dark pigmentation (spot) on the caudal fin and the pigmentation on the body.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBoulengerella luciusFamilyCtenoluciidae (Pike-characids)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length42.0EnvironmentFreshwater;; pH range: 6.0 - 7.2; dH range: ? - 15 pelagicClimateTropicalDistributionSouth America: Rio Amazonas and R?o Orinoco basins.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: public aquariums SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026