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 +1 more
exaly +7 more sources
Redescription of ‘Chasmocranus’ brachynema (Heptapteridae: Heptapterini)
Neotropical IchthyologyThe endangered species ‘Chasmocranus’ brachynema is redescribed and diagnosed among other Heptapterini by having the adipose fin extensively fused with the caudal fin, caudal fin shallowly bifurcate, and anal-fin insertion posterior to a vertical through
Veronica Slobodian +2 more
exaly +7 more sources
Neotropical Ichthyology, 2023 Phenacorhamdia nigrolineata is redescribed, and the expansion of its geographic distribution is presented based on abundant new records. Morphological analysis, meristic comparison and osteological description were performed.
Wosiacki W B
exaly +6 more sources
Biological information of Taunayia bifasciata (Siluriformes: Heptapteridae): a threatened and unknown catfish [PDF]
Zoologia, 2011 Taunayia bifasciata (Eigenmann & Norris, 1900) is a small catfish that inhabits headwater streams of the Tietê and Paraíba do Sul river basins, southeastern Brazil, being restricted to the Atlantic rain forest. The species is found on lists of threatened
Giulianna Rondineli +2 more
exaly +6 more sources
Redescripción de Cetopsorhamdia nasus Eigenmann y Fisher, 1916 (Siluriformes: Heptapteridae)
Biota Colombiana, 2012 A fin de contribuir con el conocimiento morfológico del género Cetopsorhamdia, se presenta la redescripción de la especie tipo Cetopsorhamdia nasus. Se describe detalladamente la morfología externa, configuración del cráneo, vértebra compleja, vértebras ...
Armando Ortega-Lara
doaj +14 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
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
Biota Colombiana, 2014 En Colombia se ha construido el embalse de Betania en el cauce principal del río Magdalena y el proyecto hidroeléctrico El Quimbo, localizado aguas arriba de este, se encuentra bajo construcción.
Francisco Antonio Villa-Navarro +9 more
doaj +13 more sources
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