Jenynsia onca, Jaguar livebearer

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Jenynsia onca Lucinda, Reis & Quevedo, 2002

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

> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Anablepidae (Four-eyed fishes, onesided livebearers & white-eye) > Anablepinae
Etymology: onca: From its color pattern, resembling the wild cat Pantera onca; noun in apposition.
Eponymy: Reverend Leonard Jenyns (1800–1893) was a clergyman and amateur naturalist. [...] (Ref. 128868), visit book page.
More on authors: Lucinda, Reis & Quevedo.

Environment: milieu / Klimaatzone / Diepte / distribution range Ecologie

; zoet water pelagisch. Tropical

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Verspreidingskaart | Introducties | Faunafri

South America: tributaries of the lower Rio Uruguai in Brazil and Uruguay.

Grootte / Gewicht / Leeftijd

Maturiteit: Lm ?  range ? - ? cm
Max length : 8.0 cm TL mannelijk / geslacht onbekend; (Ref. 59729)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale zachte stralen (totaal) : 6 - 9; Anale zachte stralen: 10; Wervels: 30. Having a large dorsal convex expansion at subdistal segments of right half of sixth anal-fin ray of adult males; distinct ovoid to circular dark spots confined to ventral half of flank posterior to pelvic fins; spots gradually more circular towards midventral line; predorsal scales 13-14; series of dashes or spots on body arranged in 6-8 irregular horizontal lines, consistent midlateral pattern absent; no swelling between the urogenital opening and anterior base of anal fin in females; no distinct dark rounded spot on the dorsal pectoral-fin base (Ref. 42933).
Body shape (shape guide): elongated.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Based on photo submitted, this species grow up to 8.0 cm TL and live for up to 7 years in captivity (P. Petersen, pers.comm. 12/2022).

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

Hoofdreferentie Upload uw referenties | Referenties | Coördinator : Ghedotti, Michael J. | Medewerkers

Lucinda, P.H.F., R.E. Reis and R. Quevedo, 2002. Jenynsia onca, a new species of anablepid fish (Teleostei: Cyprinodontiformes) from southern Brazil and its phylogenetic position. Ichthyol. Explor. Freshwat. 13(1):33-40. (Ref. 42933)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)

  Niet bedreigd (LC) ; Date assessed: 27 April 2020

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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Internetbronnen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Bekijk FishWatcher | CISTI | Catalog of Fishes: Genus, Soort(en) | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | Nationale databanken | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | Publieke aquaria | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: ga naar, zoek | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00527 - 0.01814), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trofisch niveau (Ref. 69278):  2.9   ±0.4 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). 🛈