Results 51 to 60 of about 277 (158)

Desarrollo de la sagitta en juveniles y adultos de Odontesthes argentinensis (Valenciennes, 1835) y O. bonariensis (Valenciennes, 1835) de la provincia de Buenos Aires, Argentina (Teleostei: Atheriniformes) Development of the sagitta in young and adults of Odontesthes argentinensis (Valenciennes, 1835) and Odontesthes bonariensis (Valenciennes, 1835) from Buenos Aires province, Argentina (Teleostei: Atheriniformes)

open access: yesRevista Chilena de Historia Natural, 2005
Se describió el desarrollo del otolito Sagitta de juveniles y adultos de Odontesthes argentinensis procedentes de Punta Rasa (36°22' S) y Miramar (38°16' S) y de Odontesthes bonariensis de la Laguna de Chascomús (35° 36' S).
ANDREA D TOMBARI   +2 more
doaj  

Implicaciones de la alimentación continua sobre la demanda de oxígeno en un pez agástrico con intestino corto (Teleostei: Atherinopsidae)

open access: yesEcosistemas y Recursos Agropecuarios
Continuous illumination and increased feeding periods have enhanced growth in commercial fish species. However, oxygen consumption under these conditions has yet to be previously assessed in agastric short-intestine fish. This study evaluated Chirostoma
Jorge Fonseca-Madrigal   +5 more
doaj   +1 more source

Spatial and Ontogenetic Patterns in the Trophic Ecology of Two Predatory Fishes in a Large River

open access: yesEcology of Freshwater Fish, Volume 34, Issue 1, January 2025.
ABSTRACT Fishes use a variety of physical and biological resources that shift ontogenetically, seasonally and spatially. Quantifying what resources such as prey are required for persistence can improve understanding of ecological needs of fishes and riverine macrosystem functioning.
Shaley A. Valentine   +1 more
wiley   +1 more source

Growth of the silverside Atherinella brasiliensis in a subtropical estuary with some insights concerning the weight-length relationship

open access: yesAnais da Academia Brasileira de Ciências
Specimens of Brazilian silverside (Atherinella brasiliensis, n=9672) with a length range of 1.5 to 14.2 cm were captured in the intertidal areas of the Estuarine Complex of Paranaguá, Brazil, between August 2010 and July 2011.
BARBARA M. DE CARVALHO   +3 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

eDNA Metabarcoding Analysis of Bony Fish Identification in Coastal Water of Gulf of Maine Using Nested Polymerase Chain Reaction of 12S rRNA Universal Primers

open access: yesEnvironmental DNA, Volume 6, Issue 6, November–December 2024.
ABSTRACT Ecosystems in coastal waters of Gulf of Maine (GOM) are undergoing environmental challenges in response to climate change and anthropogenic stressors. eDNA metabarcoding, a powerful tool for assessing the fish community structure, was used to identify fish communities in three types of GOM aquatic environments (sand, macroalgae, and eelgrass ...
Bo‐Young Lee   +4 more
wiley   +1 more source

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

open access: yesNeotropical Ichthyology, 2011
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   +3 more
doaj  

Early morphological variation and induction of phenotypic plasticity in Patagonian pejerrey

open access: yesNeotropical Ichthyology
The aim of this work was to study two aspects of phenotypic plasticity in the Patagonian pejerrey Odontesthes hatcheri (Teleostei: Atherinopsidae) the dependence of the early morphology on developmental time and temperature, and the induction of ...
Sonia A. Crichigno   +2 more
doaj   +1 more source

Endohelminths of some species of fishes from Lake Xochimilco, Mexico

open access: yesRevista Mexicana de Biodiversidad, 2016
The helminth fauna of 8 introduced and 1 native species (Chirostoma jordani) of freshwater fishes from Xochimilco Lake in southern México City, Mexico, is studied for the first time.
María Lourdes García-López   +4 more
doaj   +1 more source

Selectividad del zooplancton y solapamiento trófico entre tallas del pez Menidia humboldtiana (Atheriniformes: Atherinopsidae) en el embalse Danxhó, México

open access: yesRevista de Biología Tropical, 2009
El charal Menidia humboldtiana es considerado como una de las especies de gran importancia en la industria pesquera de algunos estados de México. Es necesario conocer el efecto que esta especie ejerce sobre su alimento para saber si seleccionan las ...
Regina Sánchez Merino   +2 more
doaj  

Home - About - Disclaimer - Privacy