First record of Jupiaba acanthogaster (Eigenmann, 1911) (Ostariophysi, Characidae) in the upper Paraná river basin, Brazil [PDF]
Check List, 2020 Jupiaba Zanata, 1997 is a genus with small species within Characidae, identified by a pair of modified bones in the form of spines just anteriorly to pelvic-fin base. The genus is mostly distributed throughout the Amazon drainage, except J. acanthogaster
Douglas Alves Lopes +3 more
doaj +3 more sources
Brazilian Archives of Biology and Technology, 2007 The cytogenetic data available in the literature about the ichthyofauna of the Iguaçu River basin were analyzed in this review. The ichthyofauna was characterized by the high level of endemism and by the low diversity of species.
Daniel Luis Zanella Kantek +4 more
doaj +1 more source
The complete mitochondrial genome sequences of five Otophysi species (Vertebrata, Teleostei)
Mitochondrial DNA. Part B. Resources, 2019 Complete mitochondrial genomes of the characiform fishes Astyanax fasciatus, Astyanax altiparanae, Hoplias malabaricus (Karyomorph A) and the Gymnotiformes species Gymnotus sylvius and Gymnotus cuia were characterized in the present study.
Rodrigo Milan Calegari +5 more
doaj +1 more source
Ciencia Amazónica (Iquitos), 2013 En el presente trabajo se describe sobre la diversidad en tres cuerpos de agua de la cuenca alta del río Itaya, concesión de conservación de la universidad científica del Perú, en una evaluación rápida en los meses de junio y julio del 2012.
Javier del Águila Chávez +3 more
doaj +3 more sources
Zygoparity in Characidae - the first case of internal fertilization in the teleost cohort Otomorpha [PDF]
Neotropical Ichthyology, 2020 Most teleosts are externally fertilizing, with internal fertilization occurring as a relatively rare event. Until now, Euteleosteomorpha is the only teleost cohort known to undergo internal fertilization.
Clayton Kunio Fukakusa +2 more
doaj +1 more source
A phylogenetic analysis of Brycon and Henochilus (Characiformes, Characidae, Bryconinae) based on the mitochondrial gene 16S rRNA [PDF]
, 2008 The genus Brycon, the largest subunit of the Bryconinae, has 42 valid species distributed from southern Mexico to the La Plata River in Argentina. Henochilus is a monotypic genus, comprising a single species (H.
HILSDORF, Silva +3 more
core +2 more sources
Acta Amazonica, 2004 As enchentes anuais dos rios na Amazônia alagam extensas áreas de floresta conhecidas como várzeas ou igapós. Estas áreas têm papel importante na vida dos peixes da região, pois são fontes de alimento e de abrigo.
Luiz Claro-Jr +3 more
doaj +1 more source
Fishes from the Río Alvarado drainage, Upper Río Magdalena Basin, Colombia [PDF]
Check List, 2020 An annotated list of the freshwater fishes of the Río Alvarado drainage, Upper Río Magdalena Basin is presented. Fishes were captured from nine localities, quarterly sampled between September 2012 and July 2013.
Juan G. Albornoz-Garzón +4 more
doaj +3 more sources
Ocorrência de ovos e larvas de Characiformes migradores no Rio Negro, Amazonas, Brasil [PDF]
Acta Amazonica, 2002 A ocorrência de ovos e larvas de sete espécies de Characiformes migradores em estágio de larval vitelino, pré-flexão e flexão, é descrita pela primeira vez para o rio Negro. É discutida a possibilidade de desova dessas espécies neste sistema pela fase de
Edinbergh Caldas de OLIVEIRA +1 more
doaj +1 more source
Comparative analysis of sex chromosomes in Leporinus species (Teleostei, Characiformes) using chromosome painting. [PDF]
, 2013 BACKGROUND: The Leporinus genus, belonging to the Anostomidae family, is an interesting model for studies of sex chromosome evolution in fish, particularly because of the presence of heteromorphic sex chromosomes only in some species of the genus.
da Silva, Edson Lourenço +6 more
core +3 more sources