Results 21 to 30 of about 749 (138)

Biogeography, habitat transitions and hybridization in a radiation of South American silverside fishes revealed by mitochondrial and genomic RAD data [PDF]

open access: yes, 2023
Rivers and lake systems in the southern cone of South America have been widely influenced by historical glaciations, carrying important implications for the evolution of aquatic organisms, including prompting transitions between marine and freshwater ...
Betancur-R., Ricardo   +11 more
core   +1 more source

Seasonal pattern of the coastal fish assemblage in Anegada Bay, Argentina [PDF]

open access: yes, 2013
The seasonal variation of the inshore fish assemblage of Anegada Bay, North Patagonia, Argentina is described here. Three areas were seasonally sampled from 2007 to 2009 by means of a gang of bottom gill-nets.
Baigún, Claudio Rafael M.   +3 more
core   +1 more source

Presence of trace elements in the silverside Odontesthes argentinensis

open access: yesMarine Pollution Bulletin, 2017
The silverside Odontesthes argentinensis is an economically significant resource for commercial fisheries in South America. We evaluated the presence of trace elements in the stomach content and fish tissues (muscle and otoliths) of O. argentinensis. In addition, we assessed the presence of trace elements in its prey (zooplankton) and in seawater in a ...
Thompson, Gustavo Ariel   +1 more
openaire   +3 more sources

Fish fauna from the Ajó river in Campos del Tuyú National Park, province of Buenos Aires, Argentina [PDF]

open access: yes, 2009
We provide the first list of the ichthyofauna from the Ajó river, a water course situated at the southward border of the Samborombón bay (36°20'12 ’ S, 56°54'17 W), a RAMSAR site in Argentina.
García, Mirta L.   +2 more
core   +3 more sources

Biological traits and growth patterns of pejerreyOdontesthes argentinensis

open access: yesJournal of Fish Biology, 2012
This study assesses for the first time the relationship between annual cycles of different biological indices with growth patterns of a marine pejerreyOdontesthes argentinensispopulation near its southern‐distribution boundary in North Patagonia. The reproductive period is between September and November evidenced by an increase in the gonado‐somatic ...
Llompart, Facundo Manuel   +4 more
openaire   +3 more sources

Population genetic structuring in pacu (Piaractus mesopotamicus) across the Paraná-Paraguay basin: evidence from microsatellites [PDF]

open access: yes, 2009
The Paraná-Paraguay basin encompasses central western Brazil, northeastern Paraguay, eastern Bolivia and northern Argentina. The Pantanal is a flooded plain with marked dry and rainy seasons that, due to its soil characteristics and low declivity, has a ...
CALCAGNOTTO, Daniela, DESALLE, Rob
core   +1 more source

Alterations in the Gill Filaments and Secondary Lamellae of Cirrhinus mrigala Exposed to “Nuvan,” an Organophosphorus Insecticide

open access: yesJournal of Histology, Volume 2014, Issue 1, 2014., 2014
The alterations in the epithelium of the gill filaments and the secondary lamellae of the gills of Cirrhinus mrigala, on exposure to “Nuvan,” have been explored in the present investigation using light and scanning electron microscopy. The fishes were exposed to two sublethal concentrations, 5 mg/L and 15 mg/L, of “Nuvan.” The changes are more rapid ...
Nidhi Srivastava   +5 more
wiley   +1 more source

Alimentação de Hoplias aff malabaricus (Bloch, 1794) e Oligosarcus robustus Menezes, 1969 em uma lagoa sob in?uência estuarina, Pelotas, RS

open access: yesBiotemas, 2009
Alimentação de Hoplias aff. malabaricus (Bloch, 1794) e Oligosarcus robustus Menezes, 1969 em uma lagoa sob in?uência estuarina, Pelotas, RS. O objetivo do presente trabalho foi o de estudar a dieta de Hoplias aff.
Fabiano Corrêa   +1 more
doaj   +1 more source

Length-weight and length-length relationship for three marine fish species of commercial importance from southwestern Atlantic Ocean coast [PDF]

open access: yes, 2020
Length-weight (LWR) and length-length (LLR) relationships were described for three marinefish  species  Odontesthes  argentinensis  (Valenciennes,  1835),  Urophycis  brasiliensis  (Kaup,  1858)  andBrevoortia aurea (Spix & Agassiz, 1829) from the ...
Biolé, Fernanda Gabriela   +2 more
core   +1 more source

Odontesthes argentinensis

open access: yes, 2016
Published as part of Koerber, Stefan & Litz, Thomas O., 2016, CLOFFUY - update 2 - supplement to Checklist of the Freshwater Fishes of Uruguay., pp.
Koerber, Stefan, Litz, Thomas O.
openaire   +2 more sources

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