Results 141 to 150 of about 14,792 (222)

Effects of subchronic exposure to environmentally relevant concentrations of the herbicide atrazine in the Neotropical fish Astyanax altiparanae

Ecotoxicology and Environmental Safety, 2021
Ana Lúcia Salaro
exaly   +2 more sources

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A new species of Astyanax (Characiformes, Characidae) from the rio Apiacás, rio Teles Pires basin, with a discussion on its phylogenetic position

Canadian Journal of Zoology, 2023
A new species of Astyanax Baird & Girard, 1854 is described from the rio Apiacás, a tributary of the rio Teles Pires, rio Tapajós basin, Mato Grosso state, Brazil.

semanticscholar   +1 more source

A supernumerary “B-sex” chromosome drives male sex determination in the Pachón cavefish, Astyanax mexicanus

Current Biology, 2021
Sex chromosomes are generally derived from a pair of classical type-A chromosomes, and relatively few alternative models have been proposed up to now.1,2 B chromosomes (Bs) are supernumerary and dispensable chromosomes with non-Mendelian inheritance ...
Boudjema Imarazene, K. Du, Séverine Beille, E. Jouanno, Romain Feron, Qiaowei Pan, Jorge Torres-Paz, C. Lopez-Roques, Adrien Castinel, Lisa Gil, Claire Kuchly, Cécile Donnadieu, H. Parrinello, L. Journot, Cédric Cabau, M. Zahm, C. Klopp, Tomáš Pavlica, Ahmed Al-Rikabi, T. Liehr, S. Simanovsky, J. Bohlen, A. Sember, Julie Perez, F. Veyrunes, T. Mueller, J. Postlethwait, M. Schartl, A. Herpin, S. Rétaux, Y. Guiguen   +30 more
semanticscholar   +1 more source

Histological and molecular changes in gill and liver of fish (Astyanax lacustris Lütken, 1875) exposed to water from the Doce basin after the rupture of a mining tailings dam in Mariana, MG, Brazil

Science of the Total Environment, 2020
Anderson Kelvin Saraiva Macêdo, Ludmila Silva Brighenti, Ralph Gruppi Thomé   +2 more
exaly   +2 more sources

Decreased malondialdehyde levels in fish (Astyanax altiparanae) exposed to diesel: Evidence of metabolism by aldehyde dehydrogenase in the liver and excretion in water

Ecotoxicology and Environmental Safety, 2020
Daína Lima, Eduardo Alves de Almeida
exaly   +2 more sources

Opening the Trojan horse: phylogeny of Astyanax, two new genera and resurrection of Psalidodon (Teleostei: Characidae)

Zoological Journal of the Linnean Society, 2020
The freshwater fish genus Astyanax is one of the most diverse among the Characidae. The genus is defined by a combination of character states that are widely distributed in Characidae.
G. Terán, M. Benitez, J. M. Mirande
semanticscholar   +1 more source

Primordial Germ Cell Migration and Histological and Molecular Characterization of Gonadal Differentiation in Pachón Cavefish Astyanax mexicanus

Sexual Development, 2021
The genetic regulatory network governing vertebrate gonadal differentiation appears less conserved than previously thought. Here, we investigated the gonadal development of Astyanax mexicanus Pachón cavefish by looking at primordial germ cells (PGCs ...
Boudjema Imarazene, Séverine Beille, E. Jouanno, Adéle Branthonne, Violette Thermes, Manon Thomas, A. Herpin, S. Rétaux, Y. Guiguen   +8 more
semanticscholar   +1 more source

Is the Doce River elutriate or its water toxic to Astyanax lacustris (Teleostei: Characidae) three years after the Samarco mining dam collapse?

Science of the Total Environment, 2020
Larissa Souza Passos, Dandara Silva Cabral, Levy Gomes   +2 more
exaly   +2 more sources

Incremental Temperature Changes for Maximal Breeding and Spawning in Astyanax mexicanus.

Journal of Visualized Experiments, 2021
The Mexican tetra, Astyanax mexicanus, is an emerging model system for studies in development and evolution. The existence of eyed surface (surface fish) and blind cave (cave fish) morphs in this species presents an opportunity to interrogate the ...
Li Ma, Ruby Dessiatoun, Janet Shi, W. Jeffery   +3 more
semanticscholar   +1 more source

Astyanax

2010
Key for the species of Astyanax from laguna dos Patos system 1. Anterior humeral spot distinctively oval-shape ................. 2 1’. Anterior humeral spot vertically elongate or other form but never oval-shape ................................................................... 3 2.
Bertaco, Vinicius A., de Lucena, Carlos A. S.   +1 more
openaire   +1 more source