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Oligosarcus perdido Ribeiro, Cavallaro & Froehlich, 2007

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drawing shows typical species in Characidae.

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> Characiformes (Characins) > Characidae (Characins; tetras) > Stethaprioninae
Etymology: Oligosarcus: Greek, oligos = small + Greek arkos = anus (Ref. 45335);  perdido: Named for its type locality, Rio Perdido; perdido is a Portuguese for lost..

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

; zoet water demersaal. Tropical

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South America: Rio Perdido in the upper Paraguai basin, Brazil.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 9.8 cm SL mannelijk / geslacht onbekend; (Ref. 72405)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale zachte stralen (totaal) : 11; Wervels: 39. Lateral line with 61-63 scales; scales around caudal peduncle 15-20; and premaxilla without enlarged foramen that accommodates the largest dentary tooth when mouth is closed (Ref. 72405).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Found in river where the upper portion is located on a carbonate plateau of about 68 km long. The river in the plateau is dammed by calcareous tufa deposits, forming 1 to 6 m tall sequences of waterfalls. The substrate is composed of many logs, branches and whole trees ling on whitish calcareous clay. Inhabits stretches with sluggish to still waters and appears to occur in low densities. Adults are active from dusk to around 21:00 from near the surface to 2 m deep and always solitary and observed resting after this time along the vertical rocky banks. They remain hidden during the daylight hours. Young fish are observed active during the day, in small groups of 5-6 individuals (Ref. 72405).

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Ribeiro, A.C., M.R. Cavallaro and O. Froehlich, 2007. Oligosarcus perdido (Characiformes, Characidae), a new species of freshwater fish from Serra da Bodoquena, upper Rio Paraguai basin, Brazil. Zootaxa 1560:43-53. (Ref. 72405)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Niet bedreigd (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

FAO - Publication: search | FishSource |

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AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Bekijk FishWatcher | CISTI | Catalog of Fishes: Genus, Soort(en) | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: ga naar, zoek |
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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=0.01000 (0.00444 - 0.02253), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.8   ±0.6 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref. 120179):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).