Results 11 to 20 of about 2,695 (218)

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

open access: goldNeotropical 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   +5 more sources

Karyotypic conservatism in five species of Prochilodus (Characiformes, Prochilodontidae) disclosed by cytogenetic markers [PDF]

open access: yesGenetics and Molecular Biology, 2013
The family Prochilodontidae is considered a group with well conserved chromosomes characterized by their number, morphology and banding patterns. Thence, our study aimed at accomplishing a cytogenetic analysis with conventional methods (Giemsa staining ...
Tatiana Aparecida Voltolin   +5 more
doaj   +8 more sources

Efecto crioprotector de la yema de huevo en semen de Prochilodus mariae (Characiformes: Prochilodontidae)

open access: diamondBiotecnología en el Sector Agropecuario y Agroindustrial, 2020
Prochilodus mariae es una especie endémica del río Orinoco, de gran importancia ecológica, cultural y económica, cuyo protocolo de crioconservación seminal aún no ha sido establecido.
Astrid Stefanía Duarte-Trujillo   +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: greenActualidades 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   +4 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

Assessment of total mercury content in fish muscle tissue from the middle basin of the Pastaza River, Ecuador. [PDF]

open access: yesPLoS ONE
One of the most toxic metals is mercury, which exhibits high toxicity during short exposure periods. This study aimed to determine the concentration of total mercury (THg) in fish muscle tissue from various species captured from two locations in the ...
Fernanda Paz-Suconota   +7 more
doaj   +2 more sources

Little Divergence Among Mitochondrial Lineages of Prochilodus (Teleostei, Characiformes) [PDF]

open access: yesFrontiers in Genetics, 2018
Evidence that migration prevents population structure among Neotropical characiform fishes has been reported recently but the effects upon species diversification remain unclear.
Bruno F. Melo   +4 more
doaj   +2 more sources

Population genetics of the freshwater fish Prochilodus magdalenae (Characiformes: Prochilodontidae), using species-specific microsatellite loci [PDF]

open access: yesPeerJ, 2020
Prochilodus magdalenae is a freshwater fish endemic to the Colombian Magdalena-Cauca and Caribbean hydrographic basins. The genetic structure patterns of populations of different members of Prochilodus and the historic restocking of its depleted natural ...
Ricardo M. Landínez-García   +2 more
doaj   +3 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

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