Results 61 to 70 of about 1,655 (200)
Actinopterygii, Characiformes, Characidae: Ectrepopterus uruguayensis (Fowler, 1943): New record for Argentina [PDF]
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
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]
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
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).
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]
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
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
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]
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
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

