Results 131 to 140 of about 267 (159)

An evaluation of fish and invertebrate mercury concentrations in the Caribbean Region. [PDF]

Ecotoxicology
Christian LD, Burton MEH, Mohammed A, Nelson W, Shah TA, Bertide-Josiah L, Yurek HG, Evers DC.   +7 more
europepmc   +1 more source

Fishes (Actinopterygii) of the rapids and associated environments in the lower Vaupés River Basin: an undiscovered Colombian Amazon diversity. [PDF]

Zookeys
Urbano-Bonilla A, Garcia-Melo JE, Peña-Bermudez ME, Melo-Ortiz OE, Ordoñez OS, Correa SB, Carvalho TP, Maldonado-Ocampo JA.   +7 more
europepmc   +1 more source

Habitat Use of Plagioscion squamosissimus in the São Francisco River, Northeast Brazil, Using Microchemical Signatures of Otoliths

SIBIC 2026
Fabrício de Lima Freitas, Natan Silva Pereira, Patrícia Barros Pinheiro, Rodolfo Miguel Silva, Ana Méndez Vicente, Jorge Pisonero Castro, Alberto Teodorico Correia   +6 more
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Exceptional concentration of fish diversity in Yasuní National Park, Ecuador (Napo River Basin). [PDF]

Biodivers Data J
Escobar-Camacho D, Valdiviezo-Rivera J, Carrillo-Moreno C, Argüello P, Swing K.   +4 more
europepmc   +1 more source

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Ultrastructure of spermiogenesis in Plagioscion squamosissimus (Teleostei, Perciformes, Sciaenidae)

Tissue and Cell, 1999
Spermiogenesis in Plagioscion squamosissimus occurs in cysts. It involves a gradual differentiation process of spermatids that is characterized mainly by chromatin compaction in the nucleus and formation of the flagellum, resulting in the spermatozoa, the smallest germ cells.
Gusmao, P., Foresti, F., Quagio-Grassiotto, I   +2 more
openaire   +3 more sources

Landscape composition and inorganic contaminants in water and muscle tissue of Plagioscion squamosissimus in the Araguari River (Amazon, Brazil)

Environmental Research, 2022
Amazonian aquatic environments are seriously impacted by dam-building and deforestation, among other threats. Therefore, the present study aimed to examine water quality in the middle and lower course of the Araguari River with respect to the composition of vegetative cover and the concentration of As, Cd and Hg in order to determine risks to the ...
Marcia da Silva Costa, Lucilene Finoto Viana, Claudia Andrea Lima Cardoso, Eisla Delaine Gonar Silva Isacksson, Jadna Costa Silva, Alexandro Cezar Florentino   +5 more
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Genetic divergence among invasive and native populations ofPlagioscion squamosissimus(Perciformes, Sciaenidae) in Neotropical regions

Journal of Fish Biology, 2012
The genetic divergence among invasive and native populations ofPlagioscion squamosissimusfrom four Neotropical hydrographic basins was assessed using the hypervariable domain of the mitochondrial DNA (mtDNA) control region.Plagioscion squamosissimusis native to the neighbouring hydrographic basins of the Parnaíba and Amazon Rivers, and the latter ...
R S, Panarari-Antunes, A J, Prioli, S M A P, Prioli, V N, Gomes, H F, Júlio, C S, Agostinho, J P, Silva Filho, T A, Boni, L M, Prioli   +8 more
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The reproductive biology ofPlagioscion squamosissimus(Heckel, 1840) in the Pará River estuary (Amazon Estuary)

Journal of Applied Ichthyology, 2012
Summary This study describes the reproductive biology of the South American silver croaker Plagioscion squamosissimus (Heckel, 1840) in the ParaRiver estuary. Data were collected bimonthly from June 2007 to May 2008. In all, 334 specimens were examined.
N. D. Barbosa, R. M. Rocha, F. Lucena Frédou   +2 more
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Characterization of molecular biomarkers of mercury exposure to muscle tissue of Plagioscion squamosissimus and Colossoma macropomum from the Amazon region

Food Chemistry, 2019
Mercury has the ability to bind to a variety of biomolecules, which can compromise its structure and functionality and thus promote its toxic effects. The aim of this study is to identify possible mercury biomarkers in muscle samples of Plagioscion squamosissimus (carnivorous fish) and Colossoma macropomum (omnivorous fish), from the Amazon region. The
Bittarello, Alis Correia, Vieira, José Cavalcante Souza, Braga, Camila Pereira, de Paula Araújo, Wellington Luiz, da Cunha Bataglioli, Izabela, da Silva, Janaina Macedo, Buzalaf, Marília Afonso Rabelo, Fleuri, Luciana Francisco, de Magalhães Padilha, Pedro   +8 more
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Vergleichende Wachstumsuntersuchungen an zwei Sciaenidenarten (Plagioscion squamosissimusHeckel undPlagioscion montiSoares) in verschiedenen Gewässertypen Zentralamazoniens

Journal of Applied Ichthyology, 1987
Summary A comparative growth analysis of two sciaenid species (Plagioscion squamosissimus Heckel and Plagioscion monti Soares) in different water types of the Central Amazon The growth of two sciaenid species P. squamosissimus and P. monti was comparatively described in black and white water of the Amazon by determining the age by means of ...
openaire   +1 more source