Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Characiformes (Characins) >
Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335); urucum: Name 'urucum' from the common name of the plant native to tropical America, Bixa orellana L.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
South America: Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.6 cm SL male/unsexed; (Ref. 138772)
Short description
Identification keys | Morphology | Morphometrics
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Uzeda, P.L.C., B.H.M. Stabile, R.B. dos Reis, L.J. Sartori, C.S. Pavanelli, V.P. Margarido and W.J. da Graça, 2026. Integrative taxonomy reveals aremarkably colored species of Characidium (Characiformes:Crenuchidae) from the upper rio Paranábasin, Brazil. Neotrop. Ichthyol. 24(1):1-28. (Ref. 138772)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
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Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01023 (0.00450 - 0.02327), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trophic level (Ref. 69278) |
3.5 ±0.3 se; based on size and trophs of closest relatives |
Fishing Vulnerability (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |