New species of Phenacorhamdia (Siluriformes: Heptapteridae) from the Xingu River basin
Neotropical Ichthyology, 2022 Heptapteridae is a diverse group of catfishes composed of 231 valid species endemic to the Neotropical region, recognized in two subfamilies: Rhamdiinae and Heptapterinae.
Luz E Ochoa, Íthalo Castro
exaly +8 more sources
Karyotypic differentiation through chromosome fusion and number reduction in Imparfinis hollandi (Ostariophysi, Heptapteridae) [PDF]
Genetics and Molecular Biology, 2008 The Neotropical Heptapteridae fish Imparfinis hollandi, endemic to the Iguaçu River Basin (Brazil), was cytogenetically analyzed and the diploid chromosome number of 2n = 42 chromosomes was determined (22m + 10sm + 10st), the lowest diploid number in ...
Orlando Moreira-Filho
exaly +6 more sources
Diversity of myxozoans parasitizing the catfish Rhamdia quelen (Siluriformes: Heptapteridae), in southeastern Brazil, based on morphological and molecular evidence [PDF]
Scientific Reports, 2022 Rhamdia quelen is a commercially important fish in South America. During the survey of myxozoan infections in fishes from Pardo River, Paranapanema River basin, São Paulo State, Brazil, we describe three new species of Henneguya found parasitizing gills ...
Diego Henrique Mirandola Dias Vieira +2 more
doaj +2 more sources
Cytogenetic study of heptapterids (Teleostei, Siluriformes) with particular respect to the Nemuroglanis subclade [PDF]
Comparative Cytogenetics, 2015 The catfish family Heptapteridae (order Siluriformes) is endemic to the Neotropics and is one of the most common of the fish families in small bodies of water.
Daniel Kantek +2 more
doaj +2 more sources
Redescripción de Cetopsorhamdia nasus Eigenmann y Fisher, 1916 (Siluriformes: Heptapteridae)
Biota Colombiana, 2012 To increase our knowledge of the morphology of the genus Cetopsorhamdia, a redescription of the type species C. nasus is presented. External morphology, configuration of the skull, complex vertebrae, free vertebrae and associated structures, pectoral and
Armando Ortega-Lara
doaj +5 more sources
Assessment of total mercury content in fish muscle tissue from the middle basin of the Pastaza River, Ecuador. [PDF]
PLoS ONEOne of the most toxic metals is mercury, which exhibits high toxicity during short exposure periods. This study aimed to determine the concentration of total mercury (THg) in fish muscle tissue from various species captured from two locations in the ...
Fernanda Paz-Suconota +7 more
doaj +2 more sources
Aspectos taxonómicos de Cetopsorhamdia boquillae y C. nasus (Pisces, Heptapteridae), con anotaciones sobre su ecología en la cuenca alta de los ríos Magdalena y Cauca, Colombia [PDF]
Animal Biodiversity and Conservation, 2006 Taxonomic aspects of Cetopsorhamdia boquillae and C. nasus (Pisces, Heptapteridae), with annotations on their ecology from Magdalena and Cauca rivers upper basin, Colombia Ataxonomic analysis of Cetopsorhamdia boquillae and Cetopsorhamdia nasus from ...
Ruiz-C., R. I., Román-Valencia, C.
doaj +2 more sources
Revista Peruana de Biología, 2023 Se reporta la primera observación de un espécimen leucístico en el Juil de Jamapa, Rhamdia laticauda en el noreste del estado de Oaxaca. En un estudio ictiológico de la Reserva de la Biosfera Tehuacán-Cuicatlán en el río Xiquila de la cuenca alta del río
César Camilo Julián-Caballero +3 more
doaj +1 more source
Fish, Cubatão River basin, Atlantic Rainforest stream, Paraná, Brazil [PDF]
Check List, 2009 The freshwater ichthyofauna of the Cubatão River basin was studied. This drainage belongs to the Atlantic rainforestbiome in Paraná state coastal region, southern Brazil.
Bastos, L. P., Abilhoa, V.
doaj +4 more sources
Biologia e características populacionais de uma espécie rara de Pseudopimelodidae da Bacia do Alto Rio Paraná [PDF]
, 2010 Streams contain an expressive fraction of the South American fish diversity, mostly composed of small-sized, endemic, and rare species. Populational, reproductive, and diet aspects of Microglanis garavelloi were studied, aiming to make a wide ...
ARCIFA, Marlene Sofia +1 more
core +1 more source