Results 11 to 20 of about 2,394 (182)
B chromosomes in the species Prochilodus argenteus (Characiformes, Prochilodontidae): morphologicalidentity and dispersion [PDF]
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
Reproduction, feeding and migration patterns of Prochilodus nigricans (Characiformes: Prochilodontidae) in northeastern Ecuador [PDF]
The black prochilodus, Prochilodus nigricans, is an important food fish distributed throughout aquatic habitats of the Ecuadorian Amazon. We sampled gonad weight, body condition, and feeding of this species to address the question of whether changes in ...
Donald J Stewart
exaly +5 more sources
Population dynamics of Prochilodus nigricans (Characiformes: Prochilodontidae) in the Putumayo River [PDF]
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]
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
Population genetics of the freshwater fish Prochilodus magdalenae (Characiformes: Prochilodontidae), using species-specific microsatellite loci [PDF]
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
The histological and ultrastructural characteristics of a new species of Henneguya and the host reactions to infection by this species are reported. Henneguya caudalongula sp. n.
Edson A Adriano, Sarah Arana
exaly +3 more sources
Se realizó un estudio filogenético entre las especies Prochilodus reticulatus (Valenciennes, 1850) y P. magdalenae (Steindachner, 1879) de gran valor socioeconómico en el país. Inicialmente, las especies fueron colectadas para la extracción del ADN y su
Nelson Alfonso Vega Contreras +2 more
doaj +5 more sources
BIOLOGÍA REPRODUCTIVA DEL BOCACHICO Prochilodus magdalenae (PROCHILODONTIDAE) EN EL RÍO SAN JORGE, COLOMBIA [PDF]
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
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
Se realiza un análisis de la morfometrÍA y de la merística en muestras de bocachico de los ríos Atrato, Magdalena y Catatumbo colectadas por el autor y en material depositado en el Instituto de Ciencias Naturales, Universidad Nacional. Bogotá (ICN-MNH).
César Romám V.
doaj +2 more sources

