Results 101 to 110 of about 593 (127)

Otolith edge fingerprints as approach for stock identification of Genidens barbus [PDF]

Estuarine, Coastal and Shelf Science, 2017
Abstract The purpose of this paper is to assess the use of multi-elemental otolith fingerprints as a tool to delimit catfish Genidens barbus fish stocks in four estuaries from the southwestern Atlantic Ocean. Barium:Calcium (Ca), Magnesium:Ca, Manganese:Ca, Sodium:Ca and Strontium:Ca ratios in the otolith edge were determined by LA-ICPMS. PERMANOVA
Esteban Avigliano, Barbara Maichak de Carvalho, Rurik Romero   +2 more
exaly   +6 more sources

Use of lapillus otolith microchemistry as an indicator of the habitat of Genidens barbus from different estuarine environments in the southwestern Atlantic Ocean

Environmental Biology of Fishes, 2015
The marine catfish Genidens barbus is an anadromous species from South America. The aim of the present study was to evaluate the use of lapillus otolith microchemistry (Sr:Ca; Ba:Ca and Mg:Ca ratios) as an indicator of changes in habitat use and identify the potential breeding areas and fish stocks of G.
Esteban Avigliano, Gonzalo Velasco, Alejandra Volpedo   +2 more
exaly   +3 more sources

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Calculating growth parameters of Genidens barbus (Siluriformes, Ariidae) using length composition and age data

Journal of Applied Ichthyology, 2007
Summary The marine catfish Genidens barbus was once one of the most important estuarine fishery resources in the Patos Lagoon (southern Brazil), which had the largest population known for the species. However, clear signs of overfishing have been observed since the 1980s.
G. Velasco, E. G. Reis, J. P. Vieira
openaire   +1 more source

Genidens barbus

2007
Genidens barbus (Lacépède, 1803) Pimelodus barbus Lacépède, 1803: 94 and 102. Type locality: Tropical America. No types known. Pimelodus commersonii Lacépède, 1803: 95 and 103, pl. 3 (fig. 1). No locality. No types known. Bagrus barbatus Quoy & Gaimard, 1824: 230, pl. 49 (fig.1-2). Type locality: Río de La Plata, South America.
Alexandre P. Marceniuk, Naércio A. Menezes   +1 more
openaire   +1 more source

Genidens barbus

2014
Published as part of Litz, Thomas O. & The, Stefan Koerber Introduction, 2014, Check List of the Freshwater Fishes of Uruguay (CLOFF-UY)., pp.
Litz, Thomas O., The, Stefan Koerber Introduction   +1 more
openaire   +1 more source

Size estimation based on Genidens barbus and Micropogonias furnieri otoliths. Exploring Late Holocene euryhaline fish capture techniques in the eastern Pampa–Patagonia transition, Argentina

The Journal of Island and Coastal Archaeology, 2023
Sea catfish (Genidens barbus) and whitemouth croaker (Micropogonias furnieri) were the most marine euryhaline species exploited by hunter-gatherers during the final Late Holocene along the coastal fringe of the eastern Pampa–Patagonia transition (Argentina).
Luciana Stoessel, Gustavo Flensborg, Gustavo Martínez   +2 more
openaire   +2 more sources

Río de la Plata voyagers: Deciphering the migration ecology of a vulnerable marine catfish (Genidens barbus) in a large subtropical river (lower Uruguay River)

Aquatic Conservation: Marine and Freshwater Ecosystems, 2021
Abstract Genidens barbus is a vulnerable marine migrant catfish with low fecundity, a complex life cycle (i.e. mouth breeding), and is the target of industrial and artisanal fisheries of several countries. This species regularly migrates from marine to freshwater environments of the south‐western Atlantic. The aim of this work was to delve deeper into
Nicolás Vidal, Alejandro D'Anatro, Iván González‐Bergonzoni, Ivana Silva, Patricia Correa, Joaquín País, Giancarlo Tesitore, Franco Teixeira de Mello   +7 more
openaire   +1 more source

When an advantageous reproductive trait turns bad: Eggs of the threatened fish Genidens barbus as a natural bait in recreational fisheries

Journal of Fish Biology, 2020
AbstractThis study describes a recreational fishing method focused on marine catfish, Genidens barbus (Endangered‐EN), through the adoption of its eggs as a natural bait during its reproductive period in southern Brazilian ecosystems. Male G. barbus perform parental care, collecting eggs released by females after the fertilization process.
Rodrigo Machado, Eduardo Gentil, Jorge L. Rodrigues‐Filho   +2 more
openaire   +2 more sources

Microplastics in Vulnerable Catfish: Baseline Data from Northern Patagonia's Genidens Barbus

Regional Studies in Marine Science
Fil: Fernandez Severini, Melisa Daiana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Argentino de Oceanografía. Universidad Nacional del Sur.
Maialen G. Ardusso, Aimé I. Funes, Andrea D. Tombari, Melisa F. Severini, Natalia S. Buzzi, Fabio Malanca, Guido Rimondino   +6 more
openaire   +2 more sources

Ontogenetic niche feeding partitioning in juvenile of white sea catfishGenidens barbusin estuarine environments, southern Brazil

Journal of the Marine Biological Association of the United Kingdom, 2008
Ontogenetic diet changes (prey species richness and size) in juveniles of white sea catfish(Genidens barbus)were tested in three southern Brazilian estuaries: Mampituba (29°12′S), Tramandaí (30°02′S), Chuí (33°44′S). Cluster analysis revealed that white sea catfish juvenile populations in the three estuaries are composed of two feeding groups.
Manuel Mendoza-Carranza, João Paes Vieira   +1 more
openaire   +1 more source