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Mostrando ítems 91-100 de 2569
Reproductive biology of two marine catfishes (Siluriformes, Ariidae) in the Sepetiba Bay, Brazil
(Universidad de Costa Rica, 2004)
Influence of environmental factors on the spawning of sciaenids in the Buenos Aires Coastal Zone, ArgentinaInfluencia de los factores ambientales en el desove de los esciénidos en la zona costera de Buenos Aires, Argentina
(Universidad Autónoma de Baja California. Instituto de Investigaciones Oceanológicas, 2013-03)
La ictiofauna de las aguas costeras de la provincia de Buenos Aires está dominada por siete especies de esciénidos: Micropogonias furnieri, Cynoscion guatucupa, Macrodon ancylodon, Pogonias cromis, Umbrina canosai, ...
Automated spawning and fertilization system to obtain alevins of Pacú (Piaractus mesopotamicus) in ParaguaySistema automatizado de desove y fertilización para la obtención de alevines de Pacú (Piaractus mesopotamicus) en Paraguay
(Dirección de Investigación Científica y Tecnológica, 2022)
Twice-annually spawning rainbow trout females in a cultured population from southern Chile. I. Biometric performance and reproductive cycle dynamic
(2008-10-04)
Two rainbow trout female populations (Wt-01 y Wt-02) were studied, which a
percentage of individuals displayed a double annually reproductive cycle
(DARC). This trait is characterized by an autumn spawning (normal
reproductive ...
Analysis of the ontogenetic variation in body and beak shape of the Illex argentinus inner shelf spawning groups by geometric morphometrics
(Cambridge University Press, 2010-05)
In this paper we analysed size and shape differences of body (mantle and fins) and inferior beak of the squid Illex argentinus from two Patagonian inner-shelf spawning groups. A new method was developed to reconstruct ...
Spatial patterns of copepod biodiversity in relation to a tidal front system in the main spawning and nursery area of the Argentine hake Merluccius hubbsi
(Elsevier Science, 2014-08)
Copepods play an important role in marine ecosystems as a direct link of energy transfer between primary producers and higher trophic level consumers, such as fish. In the Argentine Sea, the Patagonian stock of Argentine ...
A Subantarctic rare gastropod reveals a new type of spawn among heterobranchs
(Wiley Blackwell Publishing, Inc, 2020-10)
Spawn and specimens of Toledonia biplicata comb. nov. were collected from Burdwood Bank during March 2013. Species-level identification was derived from radular, shell and spawn characters. A low number of eggs laid per ...
Dynamics of the Confluence of Malvinas and Brazil currents, and a southern Patagonian spawning ground, explain recruitment fluctuations of the main stock of Illex argentinus
(Wiley Blackwell Publishing, Inc, 2020-09)
The Argentine shortfin squid (Illex argentinus) sustains one of the world's largest squid fisheries. This squid presents strong interannual fluctuations in abundance, attributed to its semelparous life strategy coupled ...
Available phosphorus as a reproductive performance enhancer for female Nile tilapia
(2018-02-03)
This study was conducted to evaluate the effects of dietary available phosphorus (AP) on reproductive performance and bone mineralization of Nile tilapia (Oreochromis niloticus) female broodfish. Four isonitrogenous (35% ...