Environment: milieu / climate zone / rango de profundidad / distribution range
Ecología
; agua dulce bentopelágico; pH range: 6.0 - 7.2; dH range: ? - 10. Tropical; 22°C - 26°C (Ref. 2060)
South America: coastal rivers of the Guianas and São Francisco River basin.
Tamaño / Peso / Age
Madurez: Lm ? range ? - ? cm
Max length : 18.0 cm TL macho / no sexado; (Ref. 2060); 20.0 cm TL (female)
Adults occur in creeks with swift water flow, over sandy and rocky bottoms. Prey on invertebrates (Ref. 12225). Distinct pairs breed on densely grown weedy places. Males tend to remain near the nesting site (Ref. 205).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Distinct pairs breed on densely grown weedy places. Males tend to remain near the nesting site (Ref. 205).
Planquette, P., P. Keith and P.-Y. Le Bail, 1996. Atlas des poissons d'eau douce de Guyane. Tome 1. Collection du Patrimoine Naturel Volume 22, MNHN, Paris & INRA, Paris. 429 p. (Ref. 12225)
IUCN Red List Status (Ref. 130435: Version 2025-1)
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 (Referencia
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00377 - 0.01055), b=2.95 (2.81 - 3.09), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 3.5 ±0.37 se; based on food items.
Resiliencia (Referencia
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).
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