Results 91 to 100 of about 8,683 (201)

The use of morphometric analysis to predict the swimming efficiency of two Neotropical long-distance migratory species in fish passage

open access: yesNeotropical Ichthyology
This study investigated the external body morphology (based on morphometric data) and the swimming efficiency in fish passages (based on the ascent time in a fish ladder) of two Neotropical long-distance migratory species.
Lucileine de Assumpção   +6 more
doaj   +1 more source

Biologia do Curimbatá (Prochilodus lineatus), Pintado (Pseudoplatystoma corruscans) e Cachara (Pseudoplatystoma fasciatum) na bacia hidrográfica do Rio Miranda, Pantanal do Mato Grosso do Sul, Brasil. [PDF]

open access: yes, 2018
E analisada a biologia do curimbata (P. lineatus), do pintado (P. corruscans) e da cachara (P. fasciatum) na bacia hidrografia do rio Miranda. Estas especies realizam migracoes ascendentes para reproducao a partir de setembro-outubro.
ALMEIDA, V. L. L. de   +6 more
core   +1 more source

Phylogenetic signal in amphibian sensitivity to copper sulfate relative to experimental temperature [PDF]

open access: yes, 2015
The release of large quantities of chemicals into the environment represents a major source of environmental disturbance. In recent years, the focus of ecotoxicology has shifted from describing the effects of chemical contaminants on individual species ...
Capellini, Isabella   +5 more
core   +1 more source

Fish passage system in an irrigation dam (Pilcomayo River basin): When engineering designs do not match ecohydraulic criteria. [PDF]

open access: yes, 2013
The Route 28 Dam has the potential to block fish movements from La Estrella marsh to the Pilcomayo River. In addition, themany fish that concentrate immediately downstream of the dam may suffer high mortality when they are stranded duringlow water ...
Baigún, Claudio Rafael M.   +3 more
core   +1 more source

Sobrevivência de alevinos de Prochilodus lineatus (Valenciennes) submetidos a valores extremos de pH

open access: yesActa Scientiarum: Animal Sciences, 2008
A determinação dos níveis letais de pH é informação essencial para o cultivo de determinada espécie de peixe, haja vista que a tolerância do pH varia com a espécie.
Evoy Zaniboni Filho   +4 more
doaj   +1 more source

Ictiólogos de la Argentina : Sara Beatríz Sverlij [PDF]

open access: yes, 2012
Fil: López, Hugo Luis. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Padin, Oscar Horacio. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo.
López, Hugo Luis   +2 more
core  

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  

Menthol and eugenol as natural anesthetics for early juveniles of curimba

open access: yesRevista Brasileira de Zootecnia, 2018
The objective of this study was to evaluate menthol and eugenol as anesthetics for early juveniles of curimba, Prochilodus lineatus. Juveniles of 4.0±0.5 g and a total length of 8.8±0.1 cm were exposed to the anesthetics menthol (20, 30, 40, 50, 60, 70 ...
Elias Fernandes de Medeiros Junior   +6 more
doaj   +1 more source

Cryopreservation of Embryos and Oocytes of South American Fish Species [PDF]

open access: yes, 2014
Non
Digmayer, M.   +5 more
core   +1 more source

Histopathologic changes in the kidney tissue of Prochilodus lineatus Valenciennes, 1836 (Characiformes, Prochilodontidae) induced by sublethal concentration of Trichlorfon exposure

open access: yesBrazilian Archives of Biology and Technology, 2002
Studies were carried out to analyse the kidney histopathological alterations of "curimbatá", Prochilodus lineatus, were analyzed. An acute bioassay was made by the water contamination with 0.2muml/l of Dipterex 500 (Trichlorfon).
Marcelo Leite da Veiga   +3 more
doaj   +1 more source

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