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Characidium occidentale Buckup & Reis, 1997

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drawing shows typical species in Crenuchidae.

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335).
More on authors: Buckup & Reis.

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water benthopelagisch. Subtropical

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South America: left bank tributaries of the middle Uruguay River basin in Brazil (Ref. 37059). Reported from Argentina (Ref. 56308).

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 4.8 cm SL mannelijk / geslacht onbekend; (Ref. 37059)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale zachte stralen (totaal) : 12 - 14; Anale zachte stralen: 9. Dark spots on dorsal fin form a continuous band across rays; anterior portion of anal fin of males with one or two conspicuous dark blotches, followed by smaller spots on the posterior portion. The third or fourth ray of the pelvic fin longest, reaching the area between anal opening and anal fin origin or reaching anal fin origin (Ref. 27672).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Known from the type locality which is a small creek with clear water and slow to moderate current, with loose stones, and in some places, mud on the bottom. Low vegetation are found along stream margins (Ref. 27672).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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Buckup, P.A. and R.E. Reis, 1997. Characidiin genus Characidium (Teleostei, Characiformes) in Southern Brazil, with description of three new species. Copeia 1997(3):531-548. (Ref. 27672)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)

  Niet bedreigd (LC) ; Date assessed: 06 May 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: van geen belang
FAO - Publication: search | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01230 (0.00479 - 0.03160), b=3.00 (2.77 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.4   ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).