Results 51 to 60 of about 878 (168)

CLOFFAR - update 3 - supplement to Checklist of the Freshwater Fishes of Argentina [PDF]

open access: yes, 2017
In May 2016 we have published the second update to CLOFFAR and in these few months a total of 22 changes have summed up. The total number of fishes known from the freshwaters of Argentina has increased to 538, caused by one new Hoplias and 13 first ...
Koerber, Stefan   +2 more
core  

El pez gato amazónico Pterygoplichthys disjunctivus x pardalis (Siluriformes: Loricariidae) en Panamá [PDF]

open access: yes, 2022
Introduction: Despite having a rich and diverse native freshwater fish fauna, exotic species have been introduced to Panama since the 20th century. Objective: To report its presence in the fresh waters of Panama of a newly recorded exotic fish.
González Gutiérrez , Rigoberto
core   +2 more sources

Hypostomus chrysostiktos, a new species of armored catfish (Siluriformes: Loricariidae) from rio Paraguaçu, Bahia State, Brazil

open access: yesNeotropical Ichthyology
Hypostomus chrysostiktos, a new species of armored catfish of the family Loricariidae, is described. The most remarkable characteristic of the new species, which allows its prompt diagnosis from congeners, is the high number of branched rays in the ...
José L. O. Birindelli   +2 more
doaj   +1 more source

Fish, Corumbataí and Jacaré-Pepira river basins, São Paulo State, Brazil [PDF]

open access: yes, 2006
Fish were studied in two river basins (Corumbataí and Jacaré-Pepira) subjected to strong human pressure, in the interior of the State of São Paulo, southeastern Brazil.
Braga, F. M. S., Gomiero, L. M.
core  

The liver transcriptome of suckermouth armoured catfish (Pterygoplichthys anisitsi, Loricariidae) : identification of expansions in defensome gene families [PDF]

open access: yes, 2016
© The Author(s), 2016. This is the author's version of the work. It is posted here under a nonexclusive, irrevocable, paid-up, worldwide license granted to WHOI. It is made available for personal use, not for redistribution.
de Andrade, Paula C. C.   +7 more
core   +1 more source

Karyotype characterization and ZZ/ZW sex chromosome heteromorphism in two species of the catfish genus Ancistrus Kner, 1854 (Siluriformes: Loricariidae) from the Amazon basin

open access: yesNeotropical Ichthyology
We present karyotypic characteristics and report on the occurrence of ZZ/ZW sex chromosomes in Ancistrus ranunculus (rio Xingu) and Ancistrus sp. "Piagaçu" (rio Purus), of the Brazilian Amazon. Ancistrus ranunculus has a modal number of 2n=48 chromosomes,
Renildo R. de Oliveira   +3 more
doaj   +1 more source

Evolutionary Ecology of Loricariid Catfishes [PDF]

open access: yes, 2022
How extrinsic (like functional constrains and ecological interactions) and intrinsic (like modularity and integration) interactions drive diversification is a formative area of evolutionary biology.
Black, Corinthia
core  

Hemiancistrus guahiborum, a new suckermouth armored catfish from Southern Venezuela (Siluriformes: Loricariidae)

open access: yesNeotropical Ichthyology
Hemiancistrus guahiborum, new species, is described from the Orinoco River drainage of Venezuela. Hemiancistrus guahiborum can be separated from all other Hemiancistrus and all Peckoltia except P. braueri and P.
David C. Werneke   +3 more
doaj   +1 more source

Morphological variations of the three otoliths of some species of the family Loricariidae (Ostariophysi: Siluriformes)

open access: yesNeotropical Ichthyology, 2017
Otoliths are three pairs of calcareous structures found in the inner ear of bony fish. In many cases they display a species-specific morphology. The present study describes morphological variations of otoliths, namely lapillus, asteriscus and sagitta, of
Roberto Omar Sánchez   +1 more
doaj   +1 more source

Lista de peces de la provincia de Entre Ríos [PDF]

open access: yes, 2013
Fil: Arias, José D.. Facultad de Ciencia y Tecnología. Universidad Autónoma de Entre Ríos; ArgentinaFil: Demonte, Lucio D.. Facultad de Humanidades y Ciencias. Universidad Nacional del Litoral; ArgentinaFil: Miquelarena, Amalia María.
Arias, José D.   +4 more
core  

Home - About - Disclaimer - Privacy