Results 101 to 110 of about 4,670 (210)

Weight-length relationship, condition factor and blood parameters of farmed Cichla temensis Humboldt, 1821 (Cichlidae) in central Amazon. [PDF]

open access: yes, 2017
Farming of native carnivore fish species has drawn attention due to their promising use in aquaculture. Among these species, tucunaré of the genus Cichla stand out, them being of high economical interest for sport fishing and Amazon's industry of ...
AFFONSO, E. G.   +3 more
core  

Sazonalidade de larvas de Eustrongylides sp. (Nematoda: Dioctophymatidae) em peixes do Rio Paraná, Sudeste do Brasil

open access: yesBoletim do Instituto de Pesca, 2018
Este estudo avaliou a infecção com larvas de Eustrongylides sp. (Nematoda: Dioctophymatidae) nas espécies Cichla piquiti, Plagioscion squamosissimus e Hoplias malabaricus capturadas no Rio Paraná, próximo í­Â  Cidade de Presidente Epitácio, Estado de ...
Maurício Laterça MARTINS   +4 more
doaj  

Structure of the parasites communities in two Erythrinidae fish from Amazon river system (Brazil)

open access: yesRevista Brasileira de Parasitologia Veterinária
This study compared the parasite communities of Hoplias malabaricus and Hoplerythrinus unitaeniatus from Amazon river system. Hoplias malabaricus were infected by Ichthyophthirius multifiliis, Piscinoodinium pillulare, Tetrahymena sp., Urocleidoides ...
Natália Milhomem Alcântara   +1 more
doaj   +1 more source

Is there a causal association between genotoxicity and the imposex effect? [PDF]

open access: yes, 2006
There is a growing body of evidence that indicates common environmental pollutants are capable of disrupting reproductive and developmental processes by interfering with the actions of endogenous hormones.
Josephine A. Hagger   +13 more
core   +1 more source

Profile of micronucleus frequencies and DNA damage in different species of fish in a eutrophic tropical lake

open access: yesGenetics and Molecular Biology, 2009
Lake Paranoá is a tropical reservoir for the City of Brasilia, which became eutrophic due to inadequate sewage treatment associated with intensive population growth.
Cesar K. Grisolia   +5 more
doaj  

Effects of food deprivation in muscle structure and composition of traíra (Hoplias malabaricus): potential implications on flesh quality

open access: yesBrazilian Archives of Biology and Technology, 2009
Hoplias malabaricus (traíra) were experimentally starved (0 to 240 days) and subsequently re-fed for 30 days (after 90 and 240-d fasting). Long-term starvation produced minor changes in muscle composition, but shrinkage of muscle fibres was a conspicuous
Flavia Sant'Anna Rios   +4 more
doaj   +1 more source

Biologia do Curimbatá (Prochilodus lineatus), Pintado (Pseudoplatystoma corruscans) e Cachara (Pseudoplatystoma fasciatum) na bacia hidrográfica do Rio Miranda, Pantanal do Mato Grosso do Sul, Brasil. [PDF]

open access: yes, 2018
E analisada a biologia do curimbata (P. lineatus), do pintado (P. corruscans) e da cachara (P. fasciatum) na bacia hidrografia do rio Miranda. Estas especies realizam migracoes ascendentes para reproducao a partir de setembro-outubro.
ALMEIDA, V. L. L. de   +6 more
core   +1 more source

Toxicity of dietary methylmercury to fish: Derivation of ecologically meaningful threshold concentrations [PDF]

open access: yes, 2012
Threshold concentrations associated with adverse effects of dietary exposure to methylmercury (MeHg) were derived from published results of laboratory studies on a variety of fish species.
Basu, Niladri   +9 more
core   +1 more source

Distribution pattern of two fish species in a coastal stream in Southeast Brazil

open access: yesBrazilian Journal of Biology, 2002
Longitudinal distribution of Mimagoniates microlepis and Hoplias malabaricus was analyzed in a coastal stream system in Southeast Brazil. Six sites were sampled by electrofishing in seven months, from July 94 to July 95. Densities of M. microlepis, and H.
MAZZONI R., IGLESIAS-RIOS R.
doaj  

Fish, Marmelos Conservation Area (BX044), Madeira River basin, states of Amazonas and Rondônia, Brazil. [PDF]

open access: yes, 2007
The present study provides a species list of fish from the Marmelos River Area – BX044 in the states ofAmazonas and Rondônia in northern Brazil. During a Rapid Ecological Assessment (REA) performed in October andNovember of 2003, 133 fish species from ...
Camargo, M., Giarrizzo, T.
core   +1 more source

Home - About - Disclaimer - Privacy