Classification / Names
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Cynolebiinae
Etymology: Austrolebias: Composed from Austro = the south + see under Lebias; arachan: The name arachan originally refers to inhabitants from Porto Alegre and Laguna de los Patos system, Brazil. Presently, arachan refers to people from Departamento de Cerro Largo in Uruguay where several populations of this species occur..
Environment: milieu / climate zone / depth range / distribution range
Ecología
; agua dulce bentopelágico. Subtropical
Distribución
Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri
South America: Uruguay.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.4 cm SL macho / no sexado; (Ref. 55775)
Short description
Claves de identificación | Morfología | Morfometría
Radios blandos dorsales (total) : 16 - 26; Radios blandos anales: 17 - 27; Vértebra: 27 - 30.
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
Loureiro, M., M. de las M. Azpelicueta and G. García, 2004. Austrolebia arachan (Cyprinodontiformes, Rivulidae), a new species of annual fish from northeastern Uruguay. Rev. Suisse Zool. 111(1):21-30. (Ref. 55775)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resiliencia (Ref.
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).