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Pseudoxiphophorus bimaculatus (Heckel, 1848)

Twospot livebearer
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> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Poeciliidae (Poeciliids) > Poeciliinae
More on author: Heckel.

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

; zoet water benthopelagisch; pH range: 7.0 - ? ; dH range: 10 - 15. Tropical; 20°C - 28°C (Ref. 2060)

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Central America: Mexico to Belize, Honduras and Guatemala.

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: Lm 2.5, range 3 - ? cm
Max length : 7.0 cm TL mannelijk / geslacht onbekend; (Ref. 26130); 15.0 cm (female)

Biologie     Verklarende woordenlijst (bv. epibenthic)

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

After a gestation period of 6 to 8 weeks, depending upon the age and size of females, gives birth to 20-100 young.

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Lucinda, P.H.F., 2003. Poeciliidae (Livebearers). p. 555-581. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brazil. (Ref. 50894)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)

  Niet bedreigd (LC) ; Date assessed: 28 August 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00285 - 0.00842), b=3.09 (2.94 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.0   ±0.4 se; based on size and trophs of closest relatives
Generation time: 4.2 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Weerstandsvermogen (Ref. 120179):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (K=0.26-0.36).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).