Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Ecología
; agua dulce bentopelágico; no migratorio. Tropical
South America: Middle Tocantins River basin, Brazil.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.6 cm SL macho / no sexado; (Ref. 49550)
Short description
Claves de identificación | Morfología | Morfometría
Radios blandos dorsales (total) : 17 - 28; Radios blandos anales: 21 - 28; Vértebra: 26 - 28. Bars on anal and caudal fins of male. Anal fin of female long, spatulated, and long posterior process of occipital, terminating in narrow posterior extension. Males with numerous rays in dorsal and anal fins. Dorsal-fin rays 25-28 in male, 17-21 in female; anal-fin rays 23-28 in male, 21-24 in female; caudal-fin rays 23-26, caudal fin subtruncate in male, rounded in female (Ref. 49550).
Bottom spawner, ? months incubation (Ref. 27139).
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
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)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
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=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), 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).