Results 11 to 20 of about 2,370 (178)

B chromosomes in the species Prochilodus argenteus (Characiformes, Prochilodontidae): morphologicalidentity and dispersion [PDF]

open access: yesComparative Cytogenetics, 2015
B chromosomes have attracted the attention of Neotropical fish cytogeneticists in recent years, both for their remarkable occurrence in this group and also because of the interest in studies of the genetic structure and role played in the genome of these
Manolo Penitente   +2 more
doaj   +6 more sources

Ecological Factors and Diversification among Neotropical Characiforms [PDF]

open access: yesInternational Journal of Ecology, Volume 2012, Issue 1, 2012., 2012
Morphological and DNA sequence data has been used to propose hypotheses of relationships within the Characiformes with minimal comparative discussion of causes underpinning the major intraordinal diversification patterns.
Duque Escobar, Santiago Roberto   +5 more
core   +2 more sources

Population dynamics of Prochilodus nigricans (Characiformes: Prochilodontidae) in the Putumayo River [PDF]

open access: yesNeotropical Ichthyology, 2018
The black prochilodus (Prochilodus nigricans) is one of the most landed scaled fish species of the middle and upper parts of the Putumayo River, in the tri-national area between Colombia, Ecuador and Peru.
César A. Bonilla-Castillo   +3 more
doaj   +4 more sources

Eugenol as an efficient anesthetic for neotropical fish Prochilodus nigricans (Teleostei, Prochilodontidae) [PDF]

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2020
The use of anesthetics in fish farming is essential to reduce stress during management. The present study proposes to evaluate the effect of eugenol as an anesthetic for the management of curimatã (Prochilodus nigricans).
R.M. Viegas   +8 more
doaj   +4 more sources

BIOLOGÍA REPRODUCTIVA DEL BOCACHICO Prochilodus magdalenae (PROCHILODONTIDAE) EN EL RÍO SAN JORGE, COLOMBIA [PDF]

open access: yesActa Biológica Colombiana, 2020
Se estudió la biología reproductiva del Bocachico, Prochilodusmagdalenae, en el río San Jorge, Colombia. La especie es un pez con proporción sexual hembra: macho de 1,2:1, diferente a lo esperado.
María Alejandra Doria-González   +3 more
doaj   +3 more sources

DESARROLLO LARVAL DE PROCHILODUS MAGDALENAE (STEINDACHNER, 1879) (PISCES: PROCHILODONTIDAE), RÍO MAGDALENA, COLOMBIA LARVAL DEVELOPMENT OF PROCHILODUS MAGDALENAE (STEINDACHNER, 1879) (PISCES: PROCHILODONTIDAE), MAGDALENA RIVER, COLOMBIA

open access: yesActualidades Biológicas, 2010
Se provee una descripción morfológica y morfométrica del desarrollo larval de Prochilodus magdalenae, del río Magdalena, Colombia. Los especímenes fueron obtenidos por desove inducido. Esta especie presenta huevos libres y muy hidratados.
Mauricio Arias-Gallo   +2 more
doaj   +3 more sources

Physiological effects of gasoline on the freshwater fish Prochilodus lineatus(Characiformes: Prochilodontidae) [PDF]

open access: yesNeotropical Ichthyology, 2013
The purpose of this work was to evaluate the effects of the water-soluble fraction of gasoline (WSFG) on the Neotropical freshwater fish Prochilodus lineatus.
Juliana D. Simonato   +2 more
doaj   +3 more sources

Lerneosis en alevinos de Prochilodus magdalenae, Prochilodontidae, cultivados en laboratorio

open access: yesIntropica, 2013
Se describe la infestación de alevinos de la especie Prochilodus magdalenae por parte del gusano ancla (Lernaea cyprinacea). En un lote de peces cultivado en el Laboratorio de Acuicultura de la Universidad del Magdalena se registró una alta mortalidad ...
Jonathan Sarmiento, Adriana Rodríguez
doaj   +1 more source

Divergence in energy sources for Prochilodus lineatus (Characiformes: Prochilodontidae) in Neotropical floodplains [PDF]

open access: yesNeotropical Ichthyology, 2018
The stable carbon isotopic variability and the contributions of autochthonous (sediment microbial biomass, phytoplankton, and periphyton) and allochthonous (soil microbial biomass) sources available to the detritivorous fish Prochilodus lineatus were ...
Evanilde Benedito   +2 more
doaj   +3 more sources

Occurrence of Neoechinorhynchus curemai (Acanthocephala: Neoechinorhynchidae) in Prochilodus nigricans (Characiformes: Prochilodontidae), in southwestern Amazon

open access: yesActa Scientiarum: Biological Sciences, 2021
Prochilodus nigricans is extensively exploited in fishing and aquaculture activities in the Brazilian Amazon, it is the definitive host for Neoechinorhynchus curemai Noronha, 1973. Thus, the present study aimed to evaluate the occurrence of N.
Lucena Rocha Virgilio   +5 more
doaj   +3 more sources

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