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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Poecilia: Greek, poikilos = with a lot of colours (Ref. 45335).
Eponymy: This is a toponym, referring to Pará State in Brazil. (Ref. 128868), visit book page.
More on author: Eigenmann.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce; saumâtre benthopélagique; pH range: 7.0 - 7.5; dH range: 5 - 10; non migrateur. Tropical; 24°C - 28°C (Ref. 2059)
South America: Guyana to the Amazon River delta.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 3.0 cm TL mâle / non sexé; (Ref. 26130); 5.0 cm (female)
In fresh and brackish waters of estuaries. Occurs in small swamps and shallow slow-flowing creeks located inland where the water is really fresh, along riverine vegetation with clear water and sandy-muddy substrate. Three color forms of males are recognized, the frequency of which may depend upon predation pressure (Ref. 35237).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Produces 5 to 15 young after about 24 days of gestation.
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 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=0.01318 (0.00567 - 0.03066), b=3.15 (2.97 - 3.33), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
2.6 ±0.3 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Low to moderate vulnerability (27 of 100). 🛈 |