Results 51 to 60 of about 2,449 (227)
A new species of barred Sternopygus (Gymnotiformes: Sternopygidae) from the Orinoco River
Neotropical Ichthyology, 2023 A new species of Sternopygus is described from the Orinoco River of Venezuela using traditional methods of morphometrics and meristics, and micro-computed tomography (micro-CT) imaging for osteological analysis.
Kevin T. Torgersen +3 more
semanticscholar +1 more source
, 2009 Published as part of Matamoros, Wilfredo A., Schaefer, Jacob F. & Kreiser, Brian R., 2009, Annotated checklist of the freshwater fishes of continental and insular Honduras, pp.
Matamoros, Wilfredo A. +2 more
openaire +2 more sources
A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
Neotropical Ichthyology, 2023 The species diversity and taxonomy of Rhamphichthys is reviewed and seven species are considered valid: Rhamphichthys apurensis from the Orinoco and Cuyuni river basins; R. drepanium from the Amazon and Orinoco river basins; R.
Tiago P. Carvalho, James S. Albert
semanticscholar +1 more source
Respuesta reproductiva a la inducción hormonal en Gymnotus sp. (Teleostei, Gymnotiformes)
Revista Veterinaria, 2023 El desarrollo tecnológico para el cultivo de Gymnotus sp. es relevante porque este género tiene un impacto socioeconómico en regiones sudamericanas donde la pesca deportiva es una actividad importante. Aunque Gymnotus sp.
P. López +4 more
semanticscholar +1 more source
Ichthyofauna of tributaries of the Vermelho River, upper Paraguay River basin, region of Rondonópolis, state of Mato Grosso, Brazil [PDF]
Check List, 2015 With the aim of finding information on the composition of the ichthyofauna of streams belonging to the Upper Paraguay River basin, in the municipality of Rondonópolis, state of Mato Grosso (MT), Brazil, we present a list of species captured at eight ...
Patrícia Vizzotto +1 more
doaj +3 more sources
, 2017 GYMNOTIFORMES Review: Eigenmann, Fisher (1914), Peru; Eigenmann, Allen (1942), Trans-Andes; Mago-Leccia (1994), Venezuela and vicinity. Overview: Albert, Crampton (2005). Revision: Eigenmann, Ward (1905); Ellis (1913); Albert (2001). Checklist: Eigenmann, Eigenmann (1891); Eigenmann (1910); Reis et al. (2003); Maldonado-Ocampo, Albert (2003), Colombia;
Carl J. Ferraris, Jr. +2 more
openaire +2 more sources
Molecular Phylogeny of the Neotropical Knifefishes of the Order Gymnotiformes (Actinopterygii) [PDF]
, 2016 The order Gymnotiformes, the Neotropical electric knifefishes, is comprised of 200+ species divided into the families Apteronotidae, Gymnotidae, Hypopomidae, Rhamphichthyidae, and Sternopygidae.
Janzen, Francesco Heinrich
core +2 more sources
Revista Brasileira de Parasitologia Veterinária, 2017 The aim of this study was to determine the morphometric measures and morphological aspects of nematode-cysts in Gymnotus inaequilabiatus, and the presence of melanomacrophage centers (MMCs) associated with the periphery of cysts and in the liver ...
Gizela Melina Galindo +5 more
doaj +1 more source
Neotropical IchthyologyGymnotus inaequilabiatus has been the subject of few studies concerning the organization of its macro- and micro-karyotypic structures. This article aims to enhance the existing cytogenetic data for G. inaequilabiatus from the upper Paraná River basin by
Lucas Pietro Ferrari Gianini +4 more
semanticscholar +1 more source
Neotropical IchthyologyEigenmannia exhibits marked variability in its chromosome structure, including the presence or absence of sex chromosomes. In this study, we present the karyotype and chromosomal localization of four repetitive DNA classes in E.
Lucas Pietro Ferrari Gianini +3 more
semanticscholar +1 more source