Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce demersale; 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.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.8 cm SL maschio/sesso non determinato; (Ref. 79673)
Short description
Chiavi di identificazione | Morfologia | Morfometria
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 | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
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
Pesca: commerciale; Acquario: Commerciale
Strumenti
Special reports
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Fonti 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).
Trophic level (Ref.
69278): 3.3 ±0.51 se; based on food items.
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).