Results 31 to 40 of about 175 (140)

Spatial patterns of zooplanktivore Chirostoma species (Atherinopsidae) during water-level fluctuation in the shallow tropical Lake Chapala, Mexico: seasonal and interannual analysis

open access: yesNeotropical Ichthyology
This study addresses the influence of water-level fluctuations on fish distribution at two temporal scales: seasonal (dry and rainy) and interannual (low and high volume conditions).
Rodrigo Moncayo-Estrada   +2 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  

Diversification of substrate specificities in teleostei Fads2: characterization of Δ4 and Δ6Δ5 desaturases of Chirostoma estor[S]

open access: yesJournal of Lipid Research, 2014
Currently existing data show that the capability for long-chain PUFA (LC-PUFA) biosynthesis in teleost fish is more diverse than in other vertebrates.
Jorge Fonseca-Madrigal   +5 more
doaj   +1 more source

BIOENCAPSULATION OFBifidobacterium animalisANDLactobacillus johnsoniiINArtemia franciscanaAS FEED FOR CHARAL (Chirostoma jordani) LARVAE

open access: yesRevista Mexicana de Ingeniería Química, 2016
An experiment was designed to evaluate the filling and effect of probiotic bacteria in metanauplii of Artemia as a vehicle and feed source for Chirostoma jor...
G. Vázquez-Silva   +5 more
openaire   +3 more sources

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  

The systematics and evolution of the genus Chirostoma Swainson (Pisces, Atherinidae)

open access: yes, 1973
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Alimentación de Chirostoma humboldtianum (Valenciennes); (Pisces: atherinopsidae) en el estanque JC en Soyaniquilpan, Estado de México

open access: yesRevista Chapingo: Serie Ciencias Forestales y del Ambiente, 2008
Los charales son peces endémicos del centro de México que han sido consumidos desde épocas prehispánicas, en la actualidad, el volumen de su captura ha disminuido por diversos motivos como la sobrepesca y la contaminación del hábitat, por lo cual es muy ...
G. Elías Fernández   +2 more
doaj  

Effects of Feeding Frequency on Liver Transcriptome: Unveiling Appetite-Regulating Peptides in Mexican Pike Silverside (Chirostoma estor)

open access: yesFishes
The Mexican pike silverside (Chirostoma estor) is a zooplanktivorous, agastric short-intestined species, and it has been found that increased-frequency feeding (twelve feedings a day) improved feed efficiency and promoted growth by 70%.
Mitzi Ernestina Juárez-Gutiérrez   +6 more
doaj   +1 more source

Polychlorinated dibenzo-p-dioxins and dibenzofurans in fish from four different regions of Mexico

open access: yesCiencias Marinas, 2007
Las dibenzo-p-dioxinas policloradas y los dibenzofuranos policlorados (PCDDs/Fs), conocidos comúnmente como dioxinas, han sido reconocidos como contaminantes ambientales ubicuos.
Y Canedo-Lopez, J V Macias-Zamora
doaj   +1 more source

Histología y ultraestructura del testículo del charal Chirostoma jordani (Osteichthyes: Atherinidae)

open access: yesRevista de Biología Tropical, 1998
Histological characteristics and gametogenesis have received little attention in endemic Mexican fish, thus they are little understood. In this study, the histology of the testis of charal Chirostoma jordani, and ultrastructure of gamete cells through ...
Rodolfo Cardenas Reygadas   +1 more
doaj  

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