Results 101 to 110 of about 3,173 (211)

Ichthyofaunistic composition of the Quilombo river, tributary of the Mogi-Guaçu river, upper Paraná river basin, southeastern Brazil [PDF]

open access: yes
Um estudo sobre a composição ictiofaunística do rio Quilombo foi realizado com o intuito de identificar quais espécies de peixes habitam a bacia, com que freqüência tais espécies são encontradas e verificar variações na distribuição longitudinal desta ...
APONE, Fernando   +2 more
core   +1 more source

Sperm ultrastructure in three different families of weakly electric fishes (Teleostei: Gymnotiformes)

open access: yesNeotropical Ichthyology
This study presents details of sperm ultrastructure for Gymnotus aff. carapo (Gymnotidae), Eigenmannia trilineata (Sternopygidae), and three Brachyhypopomus species (B. draco, B. bombilla, and B. gauderio - Hypopomidae) from southern Brazil.
Júlia Giora, John R. Burns
doaj   +1 more source

Catálogo de ejemplares tipo de la colección ictiológica del Museo de La Plata [PDF]

open access: yes, 2014
Fil: Miquelarena, Amalia María. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Nadalin, Diego Oscar. División Zoología Vertebrados.
Miquelarena, Amalia María   +1 more
core  

Phylogenetic revision of Gymnotidae (Teleostei: Gymnotiformes), with descriptions of six subgenera

open access: yesPLOS ONE, 2019
The diversity of gymnotid electric fishes has been intensely studied over the past 25 years, with 35 species named since 1994, compared to 11 species in the previous 236 years. Substantial effort has also been applied in recent years to documenting gymnotid interrelationships, with seven systematic studies published using morphological and molecular ...
Jack M. Craig   +3 more
openaire   +4 more sources

Checklist of the Freshwater Fishes of Argentina (CLOFFAR) [PDF]

open access: yes, 2015
The purpose of this paper is to present an updated list of freshwater fishes found in Argentina based on the available literature. Since the last list was published in 2003, most systematical and distributional changes were presented on www.pecescriollos.
Koerber, Stefan, Mirande, Juan Marcos
core  

Review of Magnetic Shark Deterrents: Hypothetical Mechanisms and Evidence for Selectivity

open access: yes, 2014
Several papers published since 2006 describe effects of magnetic fields on elasmobranchs and assess their utility in reducing negative interactions between sharks and humans, including bycatch reduction.
Courtney, Joshua   +2 more
core   +1 more source

Diversidade de peixes no Pantanal: por que conservar? [PDF]

open access: yes, 2011
bitstream/CPAP/56335/1/ADM080.pdfFormato ...
MARQUES, D. K. S.
core   +1 more source

Lista de los peces de la provincia de Santiago del Estero [PDF]

open access: yes, 2014
Fil: Fernández, Luis A.. Fundación Miguel Lillo. Tucumán; ArgentinaFil: Nadalin, Diego Oscar. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: López, Hugo Luis.
Andreoli Bize, Julieta   +3 more
core  

Profile of micronucleus frequencies and nuclear abnormalities in different species of electric fishes (Gymnotiformes) from the Eastern Amazon

open access: yesGenetics and Molecular Biology, 2013
The frequency of spontaneous micronucleus (MN) formation in fish species needs to be determined to evaluate their usefulness for genotoxic biomonitoring.
Karina Motta Melo   +5 more
doaj  

Sampling neotropical young and small fishes in their microhabitats : an improvment of the quatrefoil light trap [PDF]

open access: yes, 1994
An improved version of the quatrefoil light trap was tested in a tributary of the Sinnamary river, French Guiana, South America, at the beginning of the rainy season.
Ponton, Dominique
core  

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