Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Ecología
; agua dulce demersal; pH range: 5.5 - 7.2; dH range: 5 - 15. Tropical; 22°C - 28°C (Ref. 13614)
South America: Amazon River basin from Peru to Marajó Island, including tributaries Araguaia and Guaporé Rivers; Orinoco River basin near the mouth; Essequibo River basin.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.8 cm SL macho / no sexado; (Ref. 79673)
Short description
Claves de identificación | Morfología | Morfometría
Distinct large black spot on underside of caudal peduncle.
Found mostly in freshwater and coastal streams, but can tolerate brackish water. Sometimes kept in aquariums (Ref. 26938).
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
Ortega, H. and R.P. Vari, 1986. Annotated checklist of the freshwater fishes of Peru. Smithson. Contrib. Zool. (437):1-25. (Ref. 6329)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Pesquerías: comercial; Acuario: Comercial
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03162 (0.01857 - 0.05386), b=2.86 (2.72 - 3.00), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nivel trófico (Ref.
69278): 3.3 ±0.51 se; based on food items.
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).