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. Tropical
South America: coastal basins from Ribeira de Iguape River basin, Uruguay; Uruguay River basin.
Length at first maturity / Size / Weight / Age
Maturity: Lm 67.0, range 65 - 69 cm
Max length : 8.7 cm SL male/unsexed; (Ref. 116915)
Short description
Morphology | Morphometrics
Dorsal
soft rays
(total): 11-12;
Anal
soft rays: 20. It is distinguished from all other species of Characidium from southern Brazil, except C. sp. cf., C. zebra, in having 14 series of scales around the caudal peduncle (Ref. 27672).
Usually found in creeks or small rivers with rocky bottom and clear, fast flowing water (Ref. 27672).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Miyazawa, C.S. and P.M. Galetti Jr., 1994. First cytogenetical studies in Characidium species (Pisces: Characiformes, Characidiinae). Cytologia 59:73-79. (Ref. 27418)
IUCN Red List Status (Ref. 126983)
Threat to humans
Harmless
Human uses
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