Results 61 to 70 of about 3,173 (211)
Pisces, Gymnotiformes, Hypopomidae, Brachyhypopomus draco (Giora, Malabarba and Crampton, 2008): New species record at Lagoa doPeixe National Park, state of Rio Grande do Sul, Brazil [PDF]
, 2010 The present paper describes a new occurrence of the species Brachyhypopomus draco in a wetland area of theLagoa do Peixe National Park, state of Rio Grande do Sul ...
Bastos, R. F. +3 more
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Neotropical IchthyologyThe reproductive period and its relation with somatic and abiotic factors, the relative and absolute fecundity, spawning type, length of first maturation and sex ratio is describe for Gymnotus aff.carapo from a small lake at Itapuã State Park, Rio Grande
Diego de Paula Cognato +1 more
doaj +1 more source
Genetics and Molecular Biology, 2000 Patterns of amplified DNA fragments flanked by (GGAC)n microsatellites, obtained by single primer amplification reaction (SPAR), from 198 Gymnotus specimens (Pisces: Gymnotiformes) sampled from 8 southeastern Brazilian river basins were analyzed.
F.M.C. Fernandes-Matioli +2 more
doaj +1 more source
Mitochondrial genomes of the South American electric knifefishes (Order Gymnotiformes)
Mitochondrial DNA Part B, 2016 Three complete mitochondrial genomes of South American electric fishes (Gymnotiformes), derived from high-throughput RNA sequencing (RNA-Seq), are reported herein. We report the complete mitochondrial genome of the bluntnose knifefish Brachyhypopomus n.sp. VERD, determined from newly sequenced data.
Elbassiouny, Ahmed A. +8 more
openaire +3 more sources
Aspectos biológicos e reprodutivos para a criação da Tuvira (Gymnotus sp.) em cativeiro - I. [PDF]
, 2019 A tuvira (Gymnotus sp.), também conhecida como peixe espada, sarapó, carapó e ituí, é muito utilizada como isca viva na pesca esportiva, sendo a mais preferida pelas espécies de peixes consideradas nobres e muito esportivas, como os piscívoros de grande ...
ROTTA, M. A.
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Predation and Crypsis in the Evolution of Electric Signaling in Weakly Electric Fishes
Frontiers in Ecology and Evolution, 2019 Eavesdropping by electroreceptive predators poses a conflict for weakly electric fish, which depend on their Electric Organ Discharge (EOD) signals both for navigation and communication in the dark.
Philip K. Stoddard +3 more
doaj +1 more source
Ecosphere, Volume 16, Issue 11, November 2025.Abstract Invasive species alter habitats and biological communities. The giant river prawn Macrobrachium rosenbergii (de Man 1879) was introduced to Brazil for aquaculture, and invasive populations have established in the Amazon Delta region where they are believed to pose a risk to the native aquatic fauna.
Aisha Carolina Cei +12 more
wiley +1 more source
Electric eels galore: microsatellite markers for population studies [PDF]
Neotropical IchthyologyFourteen novel microsatellite loci are described and characterized in two species of electric eels, Electrophorus variiand E. voltaifrom floodplains and rivers of the Amazon rainforest.
Lenice Souza-Shibatta +9 more
doaj +2 more sources
River Research and Applications, Volume 41, Issue 9, Page 1949-1958, November 2025.ABSTRACT Local and regional species diversity is influenced by historical factors, resource availability, biotic interactions, the presence of resources, and adequate environmental conditions. We evaluated the effects of local environmental variables and spatial structure on fish species richness and composition along sandy beaches of a Neotropical ...
Ronaldo Souza da Silva +8 more
wiley +1 more source
Uso do ultra-som em programas de reprodução de peixes nativos [PDF]
, 2011 bitstream/CPAP/56070/1/COT62.pdfFormato ...
CREPALDI, D. V., ROTTA, M. A.
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