Results 41 to 50 of about 2,430 (247)
Machine learning models accurately predict clades of proteocephalidean tapeworms (Onchoproteocephalidea) based on host and biogeographical data. [PDF]
Abstract Proteocephalids are a cosmopolitan and diverse group of tapeworms (Cestoda) that have colonized vertebrate hosts in freshwater and terrestrial environments. Despite the ubiquity of the group, key macroevolutionary processes that have driven the group's evolution have yet to be identified.
Vieira Alves P +7 more
europepmc +2 more sources
Se registra por primera vez para Colombia (cuenca del Orinoco), cuatro especies de crustáceos ectoparásitos en rayas de agua dulce (Potamotrygonidae), género Potamotrygon.
Carlos Andrés Lasso +3 more
doaj +5 more sources
Comparisons of Potamotrygon tigrina with congeners Potamotrygon tigrina is distinguished from all species of Potamotrygon, including P. schroederi, by its unique dorsal color pattern. Many other features (proportions of disc and tail, numbers of pectoral and pelvic fin rays, numbers of vertebrae, dentition, dermal covering, lateral line canals, etc ...
De, Marcelo R. +2 more
openaire +1 more source
Potamotrygon amazona Fontenelle & Carvalho 2017
Published as part of Lima, Arthur De, Loboda, Thiago Silva, Gianeti, Michel Donato, Silva, João Paulo Capretz Batista Da & Pinna, Mario De, 2023, Type specimens of Elasmobranchii in the Museu de Zoologia da Universidade de São Paulo (MZUSP), pp.
Lima, Arthur De +4 more
openaire +2 more sources
A taxonomic revision of two nominal species of freshwater stingrays of the genus Potamotrygon previously considered valid, Potamotrygon falkneri Castex & Maciel, 1963 and Potamotrygon castexi Castello & Yagolkowski, 1969, was conducted based on a ...
João Paulo C. B. da Silva +1 more
doaj +1 more source
Venom gland transcriptome analyses of two freshwater stingrays (Myliobatiformes : Potamotrygonidae) from Brazil [PDF]
Stingrays commonly cause human envenoming related accidents in populations of the sea, near rivers and lakes. Transcriptomic profiles have been used to elucidate components of animal venom, since they are capable of providing molecular information on the
Alencar, Sérgio Amorim de +9 more
core +2 more sources
Published as part of Litz, Thomas O. & The, Stefan Koerber Introduction, 2014, Check List of the Freshwater Fishes of Uruguay (CLOFF-UY)., pp.
Litz, Thomas O. +1 more
openaire +2 more sources
TRAFFICKING OF ORNAMENTAL FISH IN THE BRAZILIAN AMAZON
The trafficking of ornamental fish is growing on a yearly basis in the Brazilian Amazon. This represents a serious threat to the biodiversity of the region.
Hélio BELTRÃO +3 more
doaj +3 more sources
Potamotrygon boesemani, new species, is described from the Corantijn river drainage in Surinam. The species has a diagnostic dorsal color pattern formed by deep orange to red ocellated spots of irregular form, encircled by relatively broad black rings ...
Ricardo S. Rosa +2 more
doaj +1 more source
Traumas e envenenamentos por animais aquáticos em pescadores de Coxim e Corumbá, estado de Mato Grosso do Sul, Brasil : identificação de agentes causadores, aspectos clínicos e medidas de primeiros socorros [PDF]
The fishes of continental Brazil have socioeconomic importance due to their potential for sport fishing and commercial and subsistence uses, as seen in the Upper Paraguay River Basin, particularly in the municipalities of the Pantanal region, where it is
Alho, Cleber José Rodrigues +4 more
core +4 more sources

