2023
DOI: 10.3989/graellsia.2023.v79.378
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Ictiofauna de la subcuenca urbana del río Ocoa, drenaje superior del río Meta, cuenca del Orinoco, Colombia

Hernando Ramírez-Gil‍,
Miguel Ángel Cortés-Hernández,
Rosa Elena Ajiaco-Martínez

Abstract: El conocimiento acerca de la ictiofauna de los tramos altos del río Meta, uno de los principales afluentes del Orinoco, es aún poco conocida. En este trabajo se presenta el primer listado de peces registrados para el río Ocoa, a partir de 51 901 individuos muestreados en 15 localidades durante el ciclo hidrológico de 2014, incluidas zonas urbanas en el municipio de Villavicencio. Se obtuvieron registros de 88 especies, distribuidas en 21 familias y 5 órdenes, lo que corresponde al 12% de las especies de agua d… Show more

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“…Imparfinis sp. Ramírez‐Gil et al (2011): 216–217 (unnumbered photograph, morphological description, distribution and ecological data in the Orotoy River). Urbano‐Bonilla et al (2018): 79 (identification key).…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Imparfinis sp. Ramírez‐Gil et al (2011): 216–217 (unnumbered photograph, morphological description, distribution and ecological data in the Orotoy River). Urbano‐Bonilla et al (2018): 79 (identification key).…”
Section: Resultsmentioning
confidence: 99%
“…The new species occurs in stream and river channels (40–190 m wide), at depths between 0.8 and 1.5 m (Figure 8). This species is found associated with rapids with rocky substrate and coarse gravel (Ramírez‐Gil et al, 2011). Physicochemical parameters measured during collection events were as follows: Guayuriba River: temperature, 19.9–29.6°C; pH, 6.7–9.4; dissolved oxygen, 0.9–7.7 mg l −1 ; conductivity, 98.5–213.6 μS cm −2 ; Ocoa River: temperature, 26.7–29.6°C; pH, 6.7–7.9; dissolved oxygen, 5.4 mg l −1 ; and conductivity, 96–118.7 μS cm −2 .…”
Section: Resultsmentioning
confidence: 99%