Results 41 to 50 of about 3,034 (104)

Unraveling stress resilience: Insights from adaptations to extreme environments by Astyanax mexicanus cavefish.

open access: yesJournal of Experimental Zoology Part B: Molecular and Developmental Evolution
Extreme environmental conditions have profound impacts on shaping the evolutionary trajectory of organisms. Exposure to these conditions elicits stress responses, that can trigger phenotypic changes in novel directions.
Ansa E. Cobham, Nicolas Rohner
semanticscholar   +1 more source

Consequências da monocultura de braquiárias e da invasão de cambarazais e algodoais sobre a ictiofauna de alagados no Pantanal. [PDF]

open access: yes, 2012
As áreas inundáveis do Pantanal são importantes ambientes de alimentação, crescimento e desova para a ictiofauna. A vegetação das áreas inundáveis passa por fortes mudanças, em parte causadas por oscilações naturais do nível hidrológico, em parte ...
RESENDE, E. K. de, ROSA, F. R. da
core  

Host evolution shapes gut microbiome composition in Astyanax mexicanus

open access: yesEcology and Evolution
The ecological and genetic changes that underlie the evolution of host–microbe interactions remain elusive, primarily due to challenges in disentangling the variables that alter microbiome composition.
Misty R. Riddle   +6 more
semanticscholar   +1 more source

Astyanax caucanus: microsatellite loci development and population genetics in the Cauca River, Colombia

open access: yesHydrobiologia
Astyanax caucanus is an endemic fish species to the Magdalena-Cauca basin in Colombia. It is considered a Least Concern species by the International Union for Conservation of Nature, and currently, it is not a fishery resource.
Rubén A. Velandia   +2 more
semanticscholar   +1 more source

Diversidade em seqüências da região controle do DNA mitocondrial de populações de Astyanax da Bacia do Alto Rio Paraná [PDF]

open access: yes, 2004
A fish species considered typical of the Upper Paraná River basin is the species Astyanax altiparanae Garutti e Britski, 2000, previously known as Astyanax bimaculatus.
Soria, Thatiana Vanessa
core  

Checklist of the Freshwater Fishes of Argentina (CLOFFAR) [PDF]

open access: yes, 2015
The purpose of this paper is to present an updated list of freshwater fishes found in Argentina based on the available literature. Since the last list was published in 2003, most systematical and distributional changes were presented on www.pecescriollos.
Koerber, Stefan, Mirande, Juan Marcos
core  

Fishes from the Arroyo Urugua-í (upper Parana basin, Misiones, Argentina) before impoundment of the dam [PDF]

open access: yes, 2018
The ichthyofauna of the Arroyo Urugua-i, one of the most important tributaries of the Paraná River in Misiones (Argentina), is analized. The aim of this study is to provide information about the species occurring before the construction of the Urugua-i ...
López, Hugo Luis   +2 more
core   +3 more sources

Fishes of the Vermelho River, São Lourenço River basin, Mato Grosso state, Brazil [PDF]

open access: yes, 2013
We present a list of ichthyofauna of the Vermelho River, a tributary of the São Lourenço River, Paraguay basin. Fishes were caught with seine nets measuring approximately 10 m in total length and with a mesh size of 0.5 cm.
Patrícia Vizzotto, Reinaldo de Castro
core   +1 more source

Hábito alimentar de Astyanax asuncionensis (Géry, 1972) durante um período de seca e cheia, no Córrego do Onça, Coxim, Mato Grosso do Sul [PDF]

open access: yes, 2010
This study aimed to describe the food resources explored by Astyanax asuncionensis during the drought and full, in the Stream of the Onça, located in the municipal district of Coxim, Mato Grosso do Sul.
Corrêa, Fabiano   +1 more
core   +1 more source

Home - About - Disclaimer - Privacy