Results 31 to 40 of about 5,523 (210)

Basic studies on the culture of pejerrey. II. Effects of temperature upon survival and histological changes of starved pejerrey Odontesthes bonariensis larvae.

NIPPON SUISAN GAKKAISHI, 1989
Preliminary results on the effects of incubation and rearing temperatures on histological and morphometrical features and on starvation induced mortality of first feeding pejerrey larvae are presented. Newly hatched larvae at 17.5°C were nearly 8% larger than those at 21.5°C, had significantly larger lower jaw lengths and mouth gapes but smaller yolk ...
Carlos Augusto Strüssmann, Fumio Takashima   +1 more
openaire   +2 more sources

Expression of pejerrey gonadotropin-releasing hormone in three orders of fish. [PDF]

Biology of reproduction, 2003
Molecular variants of GnRH were characterized by reverse-phase, high-performance liquid chromatography from brain extracts of fish in three different orders: Synbranchiformes (swamp eel [Synbranchus marmoratus]), Cyprinidontiformes (platyfish [Xiphophorus maculatus] and green swordtail [X.
G M, Somoza, D W, Lescheid, L A, Miranda, F L, Lo Nostro, L, Magliulo-Cepriano, A D, Montaner, M P, Schreibman, J E, Rivier, N M, Sherwood   +8 more
openaire   +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

Ciência 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, Luís André Sampaio   +1 more
doaj   +1 more source

The effect of rearing temperature in larval development of pejerrey, Odontesthes bonariensis: morphological indicators of development

Neotropical Ichthyology
It is well known that in pejerrey water temperature not only affects growth rates but also directs the sexual differentiation process. This fact rise the question of how different the development of pejerrey larvae of the same age is when reared at ...
Tomás Chalde, Daniel A. Fernández, Víctor E. Cussac, Gustavo M. Somoza   +3 more
doaj   +1 more source

Evaluación de modelos del crecimiento en diferentes condiciones de cultivo de pejerrey (Odontesthes bonariensis) [PDF]

, 2014
The pejerrey is one of the most important temperate native freshwater species of Argentina. Its culture is mainly done intensively and in recent years is being developed in floating cages in several Pampean lakes under semi-intensive and extensive ...
Baigún, Claudio Rafael M., Bazzani, Julia Lucia, Colautti, Dario César, Garcia de Souza, Javier Ricardo, Maiztegui, Tomás, Solimano, Patricio José   +5 more
core   +5 more sources

Assessing Conflict Potential Between Birds and Small‐Scale Fisheries in Lake Titicaca

Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 4, April 2026.
ABSTRACT Globally, fisheries bycatch constitutes a threat to aquatic birds. However, while the threat is global, the threat from bycatch in inland fisheries, and from artisanal or small‐scale fishing, is particularly understudied. Here, we present the first attempt to map the vulnerability of birds to fisheries bycatch, and the conflict potential ...
D. A. Villar, Paola Velásquez‐Noriega, Bastian Thomsen, Edwin R. Gutiérrez Tito, Anahi Cosky Paca‐Condori, Edmundo G. Moreno Terrazas, Ronald Hinojosa Cárdenas, Alfredo Balcón Cuno, Carmen Villanueva, Patrick Chapman, Jhazel Quispe, Andrew G. Gosler   +11 more
wiley   +1 more source

Cortisol-induced masculinization: does thermal stress affect gonadal fate in pejerrey, a teleost fish with temperature-dependent sex determination? [PDF]

PLoS ONE, 2009
BACKGROUND: Gonadal fate in many reptiles, fish, and amphibians is modulated by the temperature experienced during a critical period early in life (temperature-dependent sex determination; TSD).
Ricardo S Hattori, Juan I Fernandino, Ai Kishii, Hiroyuki Kimura, Tomomi Kinno, Miho Oura, Gustavo M Somoza, Masashi Yokota, Carlos A Strüssmann, Seiichi Watanabe   +9 more
doaj   +1 more source

Historia de la piscicultura del pejerrey en Chascomús [PDF]

, 2010
El pejerrey Odontesthes bonariensis es uno de los peces de aguas continentales más emblemáticos de la Argentina y una de las especies más estudiada desde diferentes aspectos: ecológico, sistemático, morfológico, fisiológico, genético, etc. (López et al.
Berasain, Gustavo E., Chiclana, Mirta S., Velasco, Claudia A. M.   +2 more
core  

Early Nutritional Programing: Unlocking the Potential of Fish for Sustainable Aquaculture

Aquaculture Nutrition, Volume 2026, Issue 1, 2026.
Nutritional programing, which explores the link between early nutritional conditions and their long‐term effects on animals, is a developing field within fish biology. Suboptimal nutritional status during early life is strongly associated with a higher risk of metabolic consequences later in life, including permanent growth retardation, impaired neural
Shivendra Kumar, Aditi Banik, Maneesh Kumar Dubey, Prem Prakash Srivastava, Zsuzsanna J. Sandor, Jianguang Qin   +5 more
wiley   +1 more source

Bibliografía de los peces de agua dulce de la Argentina Suplemento 1996-2002. [PDF]

, 2003
Between 1981 and 1995, we published five bibliographic lists (López et al., 1981, 1982,1987, 1989 y 1995) that included the publications referred to Argentine freshwater fishes and related general information published since Ringuelet et al. (1967).
Battistoni, Patria A., Cuello, Mariela V., López, Hugo Luis, Menni, Roberto C.   +3 more
core