Results 51 to 60 of about 559 (168)

Producción intensiva de ovas embrionadas de pejerrey (Odontesthes bonariensis) a partir de reproductores mantenidos en cautiverio

open access: yesBiología Acuática, 2019
The aim of this work was the obtainment of Odontesthes bonariensis eggs from broodstocks reared in captivity since them hatched. The experiment took place from September 2005 to April 2006 during this time fish were kept in two circular tanks of 20 m2 ...
Gustavo E. Berasain   +3 more
doaj  

El pejerrey [PDF]

open access: yes, 1929
Fil: Lahille, Fernando.
openaire  

Sedimentary evolution and lake level fluctuations of Urmia Lake (north‐west Iran) over the past 50 000 years; insights from Artemia faecal pellet records

open access: yesSedimentology, Volume 71, Issue 3, Page 887-911, April 2024.
Abstract A 25 m long sediment core from hypersaline Urmia Lake (north‐west Iran) was studied for the Late Quaternary depositional history and palaeoclimate variations using the abundance and compositional characteristics of Artemia faecal pellets. Sediment analysis is supported by scanning electron microscopy – energy dispersive X‐ray spectroscopy ...
Selma Sarı   +6 more
wiley   +1 more source

Diferentes aspectos ecológicos e ictiofauna de seis lagunas mercedinas (provincia de San Luis, Argentina)

open access: yesBiología Acuática, 2019
South of the Villa Mercedes city (San Luis province, Argentina), there are over one hundred shallow lakes of different surface. Many of these lakes are exploited as recreational fishery resources.
M. Mancini, V. Salinas, J. G. Haro
doaj  

Sobre ferrocarriles, lagunas y lluvias: características de las pesquerías comerciales de pejerrey en la cuenca del río Salado (provincia de Buenos Aires)

open access: yesBiología Acuática, 2019
La variabilidad hidrológica en lagunas de la pampasia bonaerense es un hecho reconocido desde los tiempos de Florentino Ameghino. Sin embargo, poco se ha explorado como la dinámica hídrica de estos ambientes, directamente vinculada a las precipitaciones,
Claudio Rafael Mariano Baigún   +1 more
doaj  

Populations of Odontesthes (Teleostei: Atheriniformes) in the Andean region of Southern South America: body shape and hybrid individuals

open access: yesNeotropical Ichthyology
The original distribution area of the Patagonian 'pejerrey' Odontesthes hatcheri has been subjected to the introduction of a related species; the Bonaerensean 'pejerrey' Odontesthes bonariensis. This species currently coexists with O.
Cecilia Conte-Grand   +3 more
doaj   +1 more source

Alimentación, condición corporal y principales parásitos del pejerrey (Odontesthes bonariensis) del embalse San Roque (Argentina)

open access: yesBiología Acuática, 2014
El embalse de San Roque (31º22'S´, 64º27´ W, 2478 ha) está ubicado en la provincia de Córdoba (Argentina). El pejerrey, Odontesthes bonariensis, es la especie de pesca deportiva dominante y más importante en este embalse y mantiene una fuerte actividad ...
Ana Bethular   +5 more
doaj  

Growth hormone-insuline-like growth factor-I system in pejerrey Odontesthes bonariensis (Atheriniformes)

open access: yesRevista Brasileira de Zootecnia, 2008
Using biotechnology to increase the growth rates of fish is likely to reduce production costs per unit of food. Among vertebrates, fish appear to occupy a unique position, when growth patterns are considered.
S.E. Arranz   +5 more
doaj   +1 more source

Patrones de riesgo e implicancias de la presencia de Contracaecum sp. (Nematoda, Anisakidae) en pejerrey Odontesthes bonariensis (Pisces, Atherinopsidae)

open access: yesBiología Acuática, 2019
Several internal and external parasites have been reported in the wild population of the pejerrey, Odontesthes bonariensis, although most of previous studies have focused on taxonomy.
Miguel Mancini   +4 more
doaj  

Demography of the pejerrey (Basilichthys bonariensis bonariensis) (Pisces Atherinidae) en el Embalse Río Tercero, Córdoba.

open access: yesBiología Acuática, 2019
Gracias a un convenio suscripto en 1977 entre la Comisión Nacional de Energía Atómica y el Instituto de Limnología de La Plata, por intermedio del Consejo Nacional de Investigaciones Científicas y Técnicas, se realiza en el Embalse del Río Tercero una ...
Lauce Rubén Freyre   +2 more
doaj  

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