Teleostei (teleosts) >
Characiformes (Characins) >
Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; pH range: 5.6 - 7.5; dH range: ? - 25. Subtropical; 18°C - 24°C (Ref. 1672)
South America: São Francisco and upper Paraná River drainages in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.9 cm SL male/unsexed; (Ref. 130067); max. published weight: 5.60 g (Ref. 130067)
Found in lentic environment (Ref. 11229).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Casatti, L. and R.M.C. Castro, 1998. A fish community of the São Francisco River headwaters riffles, southeastern Brazil. Ichthyol. Explor. Freshwat. 9(3):229-242. (Ref. 27701)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: commercial; aquarium: commercial
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