Results 121 to 130 of about 7,373 (259)

Amazon fish parasites

, 1991
The present book is an attempt to compile all available information on Amazon fish parasites. For the sake of comparison, freshwater fìsh parasites from other parts of the Neotropical Region have been included.
Thatcher, V.
core  

Enzymes from kidney, gill and brain tissues of Astyanax bimaculatus (lambari) as biomarkers of environmental impact in the Una River basin

, 2019
The Una River and its basin constitute an important water source for public supply in the municipality of Taubate (SP, Brazil). The present work aimed to investigate biochemical markers of environmental pollution in the Una river basin using enzymes ...
Maria Tereza Oliveira Batista, Marilia Elias de Almeida, G. Vani, Mariana Feijó de Oliveira, E. Rodrigues, C. N. K. Suda   +5 more
semanticscholar   +1 more source

Ichthyological and limnological observations on the Sali river basin (Tucumán, Argentina) [PDF]

, 2018
The ichthyofauna of the Sali river basin, Tucuman, Central Argentina is analyzed. Twenty three species and two subspecies were collected, of which nine species and one subspecies are new for the Sali river basin: Cheirodon interruptus, Odontostilbe ...
Casciotta, Jorge Rafael, López, Hugo Luis, Menni, Roberto Carlos, Miquelarena, Amalia María   +3 more
core   +3 more sources

New Astyanax from the upper rio Tapajós drainage, Central Brazil (Characiformes: Characidae)

Neotropical Ichthyology
Astyanax utiariti, new species, is described from the upper rio Tapajós drainage, Mato Grosso, Brazil. Astyanax utiariti has a horizontally oval black humeral spot, a lozenge-shaped caudal-peduncle spot, continuing to the tip of the middle caudal-fin ...
Vinicius A. Bertaco, Valdener Garutti
doaj   +1 more source

Avaliação dos efeitos genotóxicos e contagem diferencial da série branca em indivíduos de Astyanax bimaculatus (Pices: Characidae) expostos a diferentes condições ambientais

, 2018
A contaminacao de corpos hidricos como rios, corregos, lagos e aguas subterrâneas podem afetar as populacoes humanas e de organismos que compoem a biota desses ambientes, sendo capaz de causar alteracoes fisiologicas e celulares nos individuos.
Fernando Alves de Oliveira, Tobias Pereira de Morais, Luiz Eduardo Aparecido Grassi   +2 more
semanticscholar   +1 more source

Diversity of Nematoda and Digenea from different species of characiform fishes from Tocantins River, Maranhão, Brazil. [PDF]

Rev Bras Parasitol Vet, 2022
Cárdenas MQ, Justo MCN, Reyes ADRP, Cohen SC.   +3 more
europepmc   +1 more source

Tissue levels of the antioxidant enzymes superoxide dismutase and catalase in fish Astyanax bimaculatus from the Una River Basin

, 2014
This paper seeks to identify the biomarker response to oxidative stress in Astyanax bimaculatus, a freshwater fish, collected from the Una River and its associated water bodies.
Maria Tereza Oliveira Batista, Edson Rodrigues Junior, M. Feijó-Oliveira, A. Ribeiro, E. Rodrigues, C. N. K. Suda, G. Vani   +6 more
semanticscholar   +1 more source

Effect of dosage of orally administered 17α-methyltestosterone on sex reversion of the yellowtail tetra Astyanax lacustris (Lütken, 1875). [PDF]

Anim Reprod, 2023
Farias RDS, Oliveira KRDS, de Souza ME, Ferreira DA, Silva AADN, da Silva VA, Dunham R, Coimbra MRM.   +7 more
europepmc   +1 more source

Functional trophic composition of the ichthyofauna of forest streams in eastern Brazilian Amazon. [PDF]

, 2015
Este estudo teve como objetivo descrever a organização funcional da fauna de peixes de riachos do nordeste do estado do Pará, Brasil, com base em observações comportamentais das táticas alimentares das espécies. Sete igarapés foram amostrados entre junho
BREJÃO, G. L., GERHARD, P., ZUANON, J.
core  

Effect of food frequency on the growth of the lambari, astyanax bimaculatus (Characiformes, Characidae)

, 2022
The lambari, Astyanax bimaculatus, is one of the native species with zootechnical potential for aquaculture, and stands out with desirable characteristics for cultivation, therefore, studies regarding the ideal amount of food are necessary to improve the zootechnical performance of the species.
Santos, Ricardo Pinto dos, França, Caroline Lopes, Sousa, Wanderson Diego Reis, Silva, João Mandú da, Pinheiro, Thiago Ferreira, Teixeira, Erivania Gomes   +5 more
openaire   +1 more source