Results 11 to 20 of about 3,034 (104)
In Astyanax (Poecilurichthys), we recognize six species-groups defined by the distribution of melanophores on the body: 1. bimaculatus; 2. rupununi; 3. abramis: 4. orthodus; 5. asuncionensis; and 6. anterior, which are named for a representative species.
C. Valencia, R. Ruiz-C., D. Taphorn
semanticscholar +1 more source
First record of Astyanax puka Mirande, Aguilera & Azpelicueta, 2007 (Teleostei: Characidae) in Juramento River basin, Salta, Argentina [PDF]
Astyanax puka was described from the endorheic Río Salí basin, Argentina, and it was not previously recorded elsewhere, being considered until now as endemic from that basin.
Aguilera, Gaston +2 more
core +1 more source
A new cave population of Astyanax mexicanus from Northern Sierra de El Abra, Tamaulipas, Mexico
The Astyanax genus represents an extraordinary example of phenotypic evolution, being their most extreme examples the blind and depigmented morphs, which have evolved from independent surface-dwelling lineages.
R. Miranda-Gamboa +6 more
semanticscholar +1 more source
The Astyanax mexicanus complex includes two different morphs, a surface‐ and a cave‐adapted ecotype, found at three mountain ranges in Northeastern Mexico: Sierra de El Abra, Sierra de Guatemala and Sierra de la Colmena (Micos).
M. Garduño‐Sánchez +10 more
semanticscholar +1 more source
Fish fauna from Río Pilcomayo National Park and Ramsar Site and its surroundings, Formosa, Argentina [PDF]
The first list of fish species from the Río Pilcomayo National Park and Ramsar Site (RPNP), located in the WetChaco plains of Northern Argentina is presented here.
Baigún, Claudio Rafael M. +5 more
core +4 more sources
The Mexican Tetra, Astyanax mexicanus, as a Model System in Cell and Developmental Biology.
Our understanding of cell and developmental biology has been greatly aided by a focus on a small number of model organisms. However, we are now in an era where techniques to investigate gene function can be applied across phyla, allowing scientists to ...
P. Perera +2 more
semanticscholar +1 more source
Evolutionary modifications of Astyanax larval prey capture (LPC) in a dark environment
Feeding strategies of an organism depend on the multimodal sensory processing that most efficiently integrates available visual, chemosensory, and/or mechanoreceptive cues as part of their environmental adaptation.
L. Espinasa +3 more
semanticscholar +1 more source
The females of yellowtail tetra (Astyanax lacustris), known as the freshwater sardine, are approximately 1.33 times larger than males, and thus, all-female monosex culture would increase production and reduce size variability.
R. Farias +7 more
semanticscholar +1 more source
In vitro assays are crucial tools for gaining detailed insights into various biological processes, including metabolism. Cave morphs of the river-dwelling fish species, Astyanax mexicanus, have adapted their metabolism allowing them to thrive in the ...
T. Biswas +4 more
semanticscholar +1 more source
Diet of Astyanax paranae (Characidae) in streams with different riparian land covers in the Passa-Cinco River basin, southeastern Brazil. [PDF]
A análise da dieta de Astyanax paranae Eigenmann, 1914 em nove riachos localizados na bacia do rio Passa-Cinco, sistema do alto rio Paraná, foi realizada com o objetivo de investigar os hábitos alimentares desta espécie, verificar possíveis variações ...
CYRINO, J. E. P. +2 more
core +1 more source

