Results 1 to 10 of about 2,235 (103)

Promiscuous speciation with gene flow in silverside fish genus Odontesthes (Atheriniformes, Atherinopsidae) from south western Atlantic Ocean basins. [PDF]

open access: yesPLoS ONE, 2014
The present paper integrates phylogenetic and population genetics analyses based on mitochondrial and nuclear molecular markers in silversides, genus Odontesthes, from a non-sampled area in the SW Atlantic Ocean to address species discrimination and to ...
Graciela García   +6 more
doaj   +3 more sources

A growth hormone-based phylogenetic analysis of euteleostean fishes including a representative species of the Atheriniformes Order, Odontesthes argentinensis [PDF]

open access: yesGenetics and Molecular Biology, 2003
The GH (growth hormone) cDNA sequence of the marine silverside fish Odontesthes argentinensis was obtained using the RACE protocol (Rapid Amplification of cDNA Ends).
Luis F. Marins   +3 more
doaj   +4 more sources

Toxicidade aguda do nitrito em larvas do peixe-rei marinho Odontesthes argentinensis (Teleostei, Atherinopsidae) Acute toxicity of nitrite on larvae of the marine pejerrey Odontesthes argentinensis (Teleostei, Atherinopsidae) [PDF]

open access: yesCiência Rural, 2006
Este trabalho visou a determinar o efeito tóxico do nitrito sobre larvas do peixe-rei marinho Odontesthes argentinensis através de testes agudos com 96h de duração.
Luís André Sampaio   +2 more
doaj   +2 more sources

Heterophyid trematodes (Digenea) from penguins: A new species of Ascocotyle Looss, 1899, first description of metacercaria of Ascocotyle (A.) patagoniensis Hernández-Orts, Montero, Crespo, García, Raga and Aznar, 2012, and first molecular data [PDF]

open access: yesInternational Journal for Parasitology: Parasites and Wildlife, 2019
Two species of heterophyid trematodes were found in the Magellanic penguin, Spheniscus magellanicus (Forster), from Patagonia, Argentina. Ascocotyle (Ascocotyle) patagoniensis Hernández-Orts et al.
Jesús S. Hernández-Orts   +3 more
doaj   +2 more sources

Criação de juvenis de peixe-rei (Odontesthes argentinensis) em diferentes taxas de arraçoamento Rearing of pejerrey (Odontesthes argentinensis) juveniles at different feeding rates [PDF]

open access: yesCiência Rural, 2006
Este estudo teve como objetivos avaliar os efeitos de diferentes taxas de arraçoamento sobre a sobrevivência e o crescimento de juvenis do peixe-rei (Odontesthes argentinensis).
Marcelo Borges Tesser   +1 more
doaj   +2 more sources

Unravelling Stock Spatial Structure of Silverside Odontesthes argentinensis (Valenciennes, 1835) from the North Argentinian Coast by Otoliths Shape Analysis [PDF]

open access: yesFishes, 2022
The marine silverside (Odontesthes argentinensis) is an euryhaline species, distributed along the southwest coast of the Atlantic Ocean, present in estuaries, brackish coastal lagoons and shallow marine waters.
Santiago Morawicki   +2 more
doaj   +2 more sources

Pisces, Anegada Bay protected area, Buenos Aires Province, Argentina [PDF]

open access: yesCheck List, 2010
We provide the first list of marine fish from Anegada Bay, a coastal protected area in Buenos AiresProvince. Fish records were obtained from gillnets and recreational fishery captures.
Llompart, F. M.   +4 more
doaj   +4 more sources

Efeito da intensidade luminosa sobre a capacidade de predação de larvas do peixe-rei marinho Odontesthes argentinensis Effect of light intensity on prey consumption of marine pejerrey Odontesthes argentinensis larvae

open access: yesCiência Rural, 2009
Este estudo teve como objetivo determinar o efeito da intensidade luminosa sobre a capacidade de predação de larvas do peixe-rei marinho Odontesthes argentinensis.
Ricardo Vieira Rodrigues   +2 more
doaj   +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

Otolith and vertebral morphology of marine atherinid species (Atheriniformes, Atherinopsidae) coexisting in the southwestern Atlantic Ocean

open access: yesCiencias Marinas, 2010
Studies on marine ecosystems rely on the identification of fish prey species of piscivores (fish, aquatic mammals, and aquatic birds) based on their bones and otoliths. The stomach contents of piscivores show predation on marine atherinids of commercial
A D Tombari   +3 more
doaj   +1 more source

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