Results 61 to 70 of about 1,655 (200)

Actinopterygii, Characiformes, Characidae: Ectrepopterus uruguayensis (Fowler, 1943): New record for Argentina [PDF]

open access: yes, 2013
Ectrepopterus uruguayensis Fowler was recently redescribed, with occurrence in lower tributaries of Río de la Plata and lower Río Uruguay, Uruguay. Herein its occurrence is extended and confirmed to Argentina, arroyo El Molino, in Uruguay Department ...
Carvalho, Fernando R.   +1 more
core   +2 more sources

Application of the physical habitat simulation for fish species to assess environmental flows in an Atlantic Forest Stream in South-eastern Brazil

open access: yesNeotropical Ichthyology
The physical habitat simulation sub-routine of the Instream Flow Incremental Methodology (IFIM) uses hydraulic modeling and suitability indices of target fish species to predict how differences in-stream flows affect the microhabitat occupation by fish ...
Marcus Rodrigues da Costa   +5 more
doaj   +1 more source

Distribuição espaço-temporal do ictioplâncton no Rio do Peixe, sobre influência de pequenas centrais hidrelétricas (Alto Rio Uruguai, Brasil) [PDF]

open access: yes, 2009
TCC (graduaçãoem Agronomia) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, 2009.Esse estudo visa avaliar a distribuição e ocorrência do ictioplâncton no Rio do Peixe sobre influência de duas Pequenas Centrais Hidrelétricas (PCH´s)
Figueiredo, Gabriela Maria Maimone de
core  

Bryconamericus scleroparius

open access: yes, 2010
Autapomorphies of Bryconamericus scleroparius: 1. Rhinosphenoid (47): (1> 0) absent. Reversal of synapomorphy 2 of the Characidae. Paralleled in nodes 207, 260, 280, and 298 and in Aphyocharax nattereri, Attonitus ephimeros, Brycon orbignyanus, Hollandichthys multifasciatus, Pseudocorynopoma doriae, and Salminus brasiliensis. 2.
openaire   +2 more sources

Extensive NOR Variability in Fishes of the Genus Bryconamericus (Characidae).

open access: yesCYTOLOGIA, 1999
An extensive NOR variability was described in four Bryconamericus species which are still awaiting more precise taxonomic identification. Nine NOR phenotypes were identified by silver nitrate and mithramycin staining, and cytotaxonomy and phylogenetic relationships were inferred.
A. P. Wasko, P. M. Galetti Jr.
openaire   +2 more sources

Catálogo de ejemplares tipo de la colección ictiológica del Museo de La Plata [PDF]

open access: yes, 2014
Fil: Miquelarena, Amalia María. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Nadalin, Diego Oscar. División Zoología Vertebrados.
Miquelarena, Amalia María   +1 more
core  

A new species of Bryconamericus (Characiformes, Stevardiinae, Characidae) from the Pacific coast of northwestern Ecuador, South America

open access: yesAnimal Biodiversity and Conservation, 2015
Una nueva especie de Bryconamericus (Characiformes, Stevardiinae, Characidae) de la costa pacífica al noroeste de Ecuador, América del Sur Se describe una nueva especie de Bryconamericus (Characiformes, Stevardiinae, Characidae) de la costa Pacífica al ...
C. Román–Valencia   +4 more
doaj   +3 more sources

Pools and rapids as spawning and nursery areas for fish in a river stretch without floodplains

open access: yesNeotropical Ichthyology
This study aimed to evaluate the importance of two environments situated in the main channel of the Peixe River (a tributary of the upper Uruguay River) on fish reproduction and initial growth.
Sunshine de Ávila-Simas   +2 more
doaj   +1 more source

Hemibrycon rafaelense sp. n. (Characiformes, Characidae), una nueva especie del alto Cauca, con claves de identificación para las especies colombianas [PDF]

open access: yes, 2008
A new fish species of Hemibrycon is described from the San Rafael River, upper Cauca River, Colombia. H. rafaelense canbe distinguished from other species of the genus by the number of cusps on the teeth in the internal premaxilla row (3-5 vs. 5-7 except
Arcila-Mesa, D. K., Román-Valencia, C.
core  

Bryconamericus exodon Eigenmann

open access: yes, 2010
Published as part of Mirande, Juan Marcos, 2010, Phylogeny of the family Characidae (Teleostei: Characiformes): from characters to taxonomy, pp. 385-568 in Neotropical Ichthyology 8 (3) on page 536, DOI: 10.1590/S1679-62252010000300001, http://zenodo.org/record ...
openaire   +2 more sources

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