Results 31 to 40 of about 878 (168)

A new species of Ancistrus (Siluriformes: Loricariidae) from Tapajós and Xingu basins, Brazil [PDF]

open access: yesNeotropical Ichthyology, 2022
A new Ancistrus species is described from Tapajós and Xingu river basins. It is distinguished from its congeners by the singular body color pattern, consisting of dark vermiculated stripes almost all over the body, and also by combination of features as ...
Emanuel B. Neuhaus   +3 more
doaj   +1 more source

Gut microbiomes of sympatric Amazonian wood‐eating catfishes (Loricariidae) reflect host identity and little role in wood digestion

open access: yesEcology and Evolution, Volume 10, Issue 14, Page 7117-7128, July 2020., 2020
We describe the gut microbiomes of four co‐existing freshwater catfish species as well as that of the submerged wood on which they feed. Bacterial communities did not vary by gut region for any catfish species, although they were all different to those identified on submerged wood.
Mark McCauley   +3 more
wiley   +1 more source

Phylogeography of Hypostomus strigaticeps (Siluriformes: Loricariidae) inferred by mitochondrial DNA reveals its distribution in the upper Paraná River basin. [PDF]

open access: yes, 2013
In this study, phylogenetic and phylogeographic analyses of populations identified as Hypostomus strigaticeps from the upper Paraná River basin were conducted in order to test whether these different populations comprises cryptic species or structured ...
ALVES, A. L.   +5 more
core   +1 more source

Cytogenetic and molecular identification of Chaetostoma bifurcum (Siluriformes: Loricariidae) from the Pacific Coast of Ecuador [PDF]

open access: yesNeotropical Ichthyology
This study presents an integrated molecular and cytogenetic characterization of Chaetostoma bifurcum from Ecuador, which belongs to the Hypostominae subfamily.
Mauro Nirchio   +7 more
doaj   +1 more source

Aspectos ecológicos da comunidade de parasitos em duas espécies de Loricariidae da Bacia Igarapé Fortaleza, Estado do Amapá, Brasil. [PDF]

open access: yes, 2019
Os parasitos têm sido reconhecidos como importantes componentes dos ecossistemas. Esses usam o ambiente para a sua transmissão e podem infectar diversas espécies de peixe no ecossistema.
GONÇALVES, R. A.   +3 more
core   +1 more source

Hypostomus hermanni redescription and a new species of Hypostomus (Siluriformes: Loricariidae) from Upper Paraná River basin, Brazil

open access: yesNeotropical Ichthyology, 2021
A redescription of Hypostomus hermanni is presented herein along with the description of a new species of Hypostomus, which is apparently endemic to the Ivaí River basin, a tributary of the Upper Paraná River basin, Brazil.
Angelica Corrêa Dias   +1 more
doaj   +1 more source

Phylogenetic analysis of microbial communities in different regions of the gastrointestinal tract in Panaque nigrolineatus, a wood-eating fish [PDF]

open access: yes, 2012
The Neotropical detritivorous catfish Panaque nigrolineatus imbibes large quantities of wood as part of its diet. Due to the interest in cellulose, hemi-cellulose and lignin degradation pathways, this organism provides an interesting model system for the
McDonald, R., Schreier, H., Watts, Joy
core   +3 more sources

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