Cytogenetic and molecular studies in species of the Ancistrini tribe from Southern Brazil [PDF]
Neotropical IchthyologyThe southern region of Brazil is rich in hydric and biogeographic resources, contributing to the formation of distinct ichthyofaunistic niches and facilitating the isolation of some species.
Marcos Otávio Ribeiro +2 more
exaly +4 more sources
Cytogenetic analysis in catfish species of the genus Peckoltia Miranda Ribeiro, 1912 (Teleostei: Siluriformes: Loricariidae) [PDF]
Comparative Cytogenetics, 2009 This study describes the karyotypes of three species of the genus Peckoltia (Loricariidae: Ancistrini). Fishes were collected in the Jari (Peckoltia sp. 1 and Peckoltia sp.
A De Souza +4 more
doaj +3 more sources
A new species of Paralithoxus (Siluriformes: Loricariidae: Ancistrini) from the highlands of Serra da Mocidade, Roraima State, Brazilian Amazon [PDF]
Neotropical Ichthyology, 2019 A new species of Paralithoxus is described from the Ajarani River, a small tributary of the Branco River basin, Roraima State, Brazilian Amazon. The genus Paralithoxus comprises species described from the Essequibo drainage in Guyana, Approuague and ...
Lúcia Rapp-Py-Daniel +5 more
doaj +6 more sources
A new species of armored catfish of the genus Scobinancistrus (Loricariidae: Hypostominae) from the Xingu River basin, Brazil [PDF]
Neotropical Ichthyology, 2023 A new species of Scobinancistrus from the Xingu River, Brazil, is described. It can be distinguished from its congeners by color pattern and a combination of non-exclusive characters: overall body covered by large yellow spaced blotches over a dark ...
Mateus S. Chaves +4 more
doaj +1 more source
Evolutionary Dynamics of Multigene Families in Triportheus (Characiformes, Triportheidae): A Transposon Mediated Mechanism? [PDF]
, 2020 Triportheus (Characiformes, Triportheidae) is a freshwater fish genus with 18 valid species. These fishes are widely distributed in the major river drainages of South America, having commercial importance in the fishing market, mainly in the Amazon basin.
Bertollo, Luiz A. C. +6 more
core +2 more sources
Redescription of Ancistrus greeni (Siluriformes: Loricariidae), and description of a new species from the río Madre de Dios basin, Peru [PDF]
Neotropical Ichthyology, 2020 A new species of Ancistrus is described from minor tributaries of the río Madre de Dios basin (Cusco - Madre de Dios - Puno), in Peru. The new species shares with A. greeni an uncommon unicusp dentition; but it is distinguished from A. greeni by a larger
Alessandro Gasparetto Bifi +1 more
doaj +1 more source
Comparative cytogenetic analyses in Ancistrus species (Siluriformes: Loricariidae) [PDF]
Neotropical IchthyologyAncistrus is a specious genus of armored catfishes that has been extensively used for cytogenetic studies in the last 17 years. A comparison of the extensive karyotypic plasticity within this genus is presented with new cytogenetic analysis for Ancistrus
Larissa Glugoski +5 more
doaj +2 more sources
Karyotype description of three species of Loricariidae (Siluriformes) and occurrence of the ZZ/ZW sexual system in Hemiancistrus spilomma Cardoso & Lucinda, 2003 [PDF]
, 2006 The neotropical freshwater systems have a high number of catfish species (Siluriformes), and many of those are denominated "cascudos" in Brazil. Cytogenetic data about three "cascudos" species fished in the rio Araguaia are described in the present study.
Oliveira, Renildo Ribeiro de +2 more
core +2 more sources
Los Ancistrinae (Pisces: loricariidae) de Argentina [PDF]
, 1994 La subfamilia Ancistrinae contiene alrededor de 28 géneros (Isbrücker y Nijssen, 1992) y 127 especies (Isbrücker, 1980; Boeseman, 1982; Heitmans, et al., 1983; Rapp Py-Daniel, 1985, 1991; Nijssen e Isbrücker, 1985, 1987, 1990; Ferraris etal., 1986; Reis,
Aquino, Adriana Elbia +2 more
core +3 more sources
Biometric and reproductive characteristics of the King Tiger Plecos Hypancistrus sp. “L-333” (Siluriformes: Loricariidae) endemic to the lower Xingu River (Pará, Brasil) [PDF]
, 2021 This research analyzed the biometrics and reproductive characteristics of a group of Hypancistrus sp. L-333 (King Tiger Plecos) in order to gather biological information and aid the rearing of the species in captivity, thus supporting its natural ...
Beltrão, Hélio +5 more
core +2 more sources