Results 71 to 80 of about 277 (158)

Trophic interactions among sympatric zooplanktivorous fish species in volume change conditions in a large, shallow, tropical lake

open access: yesNeotropical Ichthyology
Significant reductions in the water volume of shallow lakes impose a restriction on species segregation promoting more interactions in the trophic relationships.
Rodrigo Moncayo-Estrada   +2 more
doaj   +1 more source

STRUCTURE OF THE FISH ASSEMBLAGE AND FUNCTIONAL GUILDS IN THE ESTUARY OF MARACAÍPE, NORTHEAST COAST OF BRAZIL

open access: yesBoletim do Instituto de Pesca, 2019
The assemblage and functional structure of the fish fauna of the Maracaí­­pe River, municipality of Ipojuca - PE, was characterized by monthly beach trawls carried out from March of 2012 to February of 2013.
Fernanda de Lima Toledo Favero   +2 more
doaj   +1 more source

SAPROLEGNIASIS IN WILD SILVERSIDE Odontesthes bonariensis (PISCES: ATHERINOPSIDAE) OF ARGENTINA

open access: yesRevista Brasileira de Medicina Veterinaria, 2010
ABSTRACT. Mancini M., Rodriguez C., Barberis C., Astoreca A. & Brol G. [Saprolegniasis in wild silverside Odontesthes bonariensis (Pisces: Atherinopsidae) of Argentina]. Registro de saprolegniasis en ejemplares silvestres de pejerrey Odontesthes bonariensis (Pisces: Atherinopsidae) de Argentina.
Mancini, Miguel   +4 more
openaire   +2 more sources

Temperature, energy acquisition and energy use in the Chilean silverside Basilichthys australis Eigenmann (Atherinopsidae) Temperatura, adquisición de energía y uso de energía en el pejerrey chileno Basilichthys australis Eigenmann (Atherinopsidae)

open access: yesRevista Chilena de Historia Natural, 2005
We evaluated the influence of water temperature (Tw) on the energy acquisition and use in the chilean silverside Basilichthys australis (Eigenmann 1927), an endemic species inhabiting freshwater ecosystems in Chile. We tested the effect of Tw (11.5, 14.0,
LEOPOLDO FUENTES   +2 more
doaj  

New approaches for growth improvement in pejerrey Odontesthes bonariensis (Valenciennes, 1835) culture (Atherinomorpha: Atherinopsidae)

open access: yesNeotropical Ichthyology
The pejerrey is the most important recreational species in shallow temperate lakes and reservoirs of Argentina and the attempts to develop its culture have started a century ago.
Patricio J. Solimano   +4 more
doaj   +1 more source

Discovery of a New Genus and Species of Allocreadiidae (Trematoda) in Mexico: Mesoamericatrema Magnisacculus n. Gen. n. Sp. [PDF]

open access: yesHelminthologia, 2022
Mendoza-Garfias B   +4 more
europepmc   +1 more source

Feeding ecology of the beach silverside Atherinella blackburni (Atherinopsidae) in a tropical sandy beach, Southeastern Brazil

open access: yesBrazilian Journal of Oceanography
The feeding ecology of the beach silverside (Atherinella blackburni) in the surf zone of a tropical sand beach, located in the southeastern Brazil, was accessed through the gut content analysis of 198 fish.
Júlio Guazzelli Gonzalez   +1 more
doaj   +1 more source

Oocyte structure and ultrastructure in the Mexican silverside fish Chirostoma humboldtianum (Atheriniformes: Atherinopsidae)

open access: yesRevista de Biología Tropical, 2008
the structural and ultrastructural features of gonads from endemic Mexican fish have received scarce attention. This study describes the histological and ultrastructural characteristics of the oocyte in Chirostoma humboldtianum. The ovary is asynchronic,
Rodolfo Cárdenas   +5 more
doaj  

Oocyte structure and ultrastructure in the Mexican silverside fish Chirostoma humboldtianum (Atheriniforme: Atherinopsidae)

open access: yesRevista de Biología Tropical, 2008
The structural and ultrastructural features of gonads from endemic Mexican fish have received scarce attention. This study describes the histological and ultrastructural characteristics of oocyte from Chirostoma humboldtianum.
R Cárdenas   +5 more
doaj  

Intraspecific food resource partitioning in Brazilian silverside Atherinella brasiliensis (Atheriniformes: Atherinopsidae) in a tropical estuary, Brazil

open access: yesNeotropical Ichthyology
We investigated the intraspecific partitioning of food resources of the Brazilian silverside Atherinella brasiliensis in a tropical estuary. A total of 1,099 stomachs were analyzed, and the diet consisted mainly of Gastropoda, Ceratopogonidae larvae ...
Gitá J. S. Brito   +3 more
doaj   +1 more source

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