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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Rivulinae
Etymology: Plesiolebias: Greek, plesios = near + Greek, lebias, ou = a kind of small fish (Ref. 45335).
Eponymy: The Xavante are an indigenous ethnic group who live in the region between Rio das Mortes and Rio Culuene, Mato Grosso, Brazil. They are the largest Amerindian tribe in the area where the rivuline species was discovered. (Ref. 128868), visit book page.
More on authors: Costa, Lacerda & Tanizaki.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique; non migrateur. Tropical
South America: Middle Tocantins River basin, Brazil.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm TL mâle / non sexé; (Ref. 36579)
Bottom spawner, 4 months incubation. Is difficult to maintain in aquarium (Ref. 27139).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Costa, W.J.E.M., 2003. Rivulidae (South American Annual Fishes). p. 526-548. 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, Brasil. (Ref. 36579)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)
Menacé (EN) (B2ab(ii,iii,iv,v)); Date assessed: 07 November 2018
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00315 - 0.03034), b=3.03 (2.77 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).