Results 1 to 10 of about 559 (168)

Effects of Anthropic Pollutants Identified in Pampas Lakes on the Development and Reproduction of Pejerrey Fish Odontesthes bonariensis [PDF]

open access: yesFrontiers in Physiology, 2022
Anthropic activities can seriously affect the health of the organisms inhabiting them, and the observation of any alteration in the reproduction of fish could be associated with the presence of endocrine disruptors.
Leandro A. Miranda   +3 more
doaj   +2 more sources

Coexistence of genotypic and temperature-dependent sex determination in pejerrey Odontesthes bonariensis. [PDF]

open access: yesPLoS ONE, 2014
In this study, we examined whether a homolog of the master sex-determining gene amhy of Odontesthes hatcheri is present and plays any role in testis determination of pejerrey O.
Yoji Yamamoto   +4 more
doaj   +4 more sources

The significance of cortisol on acclimation to salinity in pejerrey Odontesthes bonariensis Importância do cortisol na aclimatação a salinidade em peixe-rei Odontesthes bonariensis [PDF]

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2007
The role of cortisol on the osmoregulation of pejerrey Odontesthes bonariensis at different salinities was investigated in adult fish injected with 0.7mg hydrocortisone per 100g body weight of fish, and transferred to 0, 5 and 20ppt of NaCl.
M.Y. Tsuzuki   +5 more
doaj   +4 more sources

Dietary phosphorus requirement of pejerrey fingerlings (Odontesthes bonariensis) [PDF]

open access: yesRevista Brasileira de Zootecnia, 2014
To determine the available phosphorus requirement of pejerrey fish, four semi-purified diets were formulated to contain increasing available phosphorus levels (0.90, 2.7, 5.7 and 8.3 g/kg).
Cleber Bastos Rocha   +5 more
doaj   +5 more sources

Benzocaine and clove oil as anesthetics for pejerrey (Odontesthes bonariensis) fingerlings [PDF]

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2013
Pejerrey (Odontesthes bonariensis) is a native species from Rio Grande do Sul, Uruguay and Argentina where it is of great economic importance for artisanal fishing.
J. Morato-Fernandes   +4 more
doaj   +3 more sources

Gonadal development in pejerrey (Odontesthes bonariensis) during spawning season in relation with sex steroids and temperature variation in Gómez lake (Pampas region, Argentina) [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2021
Gómez lake (34 ° 39 ‘S 61 ° 01’ W) is a typical shallow lake of Pampas region placed in the upper area of the Salado river. The most abundant fish species in this lake is the pejerrey (Odontesthes bonariensis) valued due to the quality of its flesh and ...
PAMELA S. DEL FRESNO   +3 more
doaj   +2 more sources

Modulation of miR-429 during osmotic stress in the silverside Odontesthes humensis

open access: yesFrontiers in Genetics, 2022
Silverside fish inhabit marine coastal waters, coastal lagoons, and estuarine regions in southern South America. Although silversides are not fully adapted to freshwater, they can tolerate a wide range of salinity variations.
Antônio D. Pagano   +9 more
doaj   +1 more source

Tolerancia salina y rendimiento pesquero del pejerrey Odontesthes bonariensis (Actinopterygii; Atherinopsidae) en un lago somero de la Argentina

open access: yesEcología Austral, 2022
El pejerrey —Odontesthes bonariensis (Actinopterygii; Atherinopsidae)— es la especie más importante en las pesquerías de la Argentina por su amplia distribución, gran demanda y aporte de proteína.
Omar Del Ponti, Miguel Mancini
doaj   +1 more source

Aspectos biológico-pesqueros del pejerrey (Odontesthes regia regia) en el puerto de Ilo durante 1996-1998

open access: yesRevista Peruana de Biología, 2014
Se analizaron los aspectos biológicos y pesqueros del pejerrey peruano (Odontesthes regia regia) población en Ilo, desde enero de 1996 a septiembre de 1998. Las capturas fueron tres veces más alta (72,76 t) que las de 1996 hasta 1997, mientras que con el
Hugo Treviño   +2 more
doaj   +1 more source

Assessment of condition in pejerrey Odontesthes bonariensis (Atheriniformes: Atherinopsidae) populations: which index works best?

open access: yesNeotropical Ichthyology
The pejerrey Odontesthes bonariensis is the most important target species in temperate freshwater fisheries of Argentina, and assessment of condition has been a regular practice and common diagnostic tool. Most pejerrey fishery studies have used Fulton's
Claudio R. M. Baigún   +2 more
doaj   +1 more source

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