Results 71 to 80 of about 3,600 (245)
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
Aspectos biológicos e reprodutivos para a criação da Tuvira (Gymnotus sp.) em cativeiro - I. [PDF]
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.
core
The complete mitochondrial genome of the Chinese hook snout carp Opsariichthys bidens (Actinopterygii : Cyprinifonnes) and an altemative pattem of mitogenomic evolution in vertebrate [PDF]
The complete mitochondrial genome sequence of the Chinese hook snout carp, Opsariichthys bidens, was newly determined using the long and accurate polymerase chain reaction method.
He, Shunping +4 more
core +1 more source
Electric eels galore: microsatellite markers for population studies [PDF]
Fourteen 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
ABSTRACT The Neotropical catfish family Trichomycteridae contains parasitic fishes that include scale and mucus feeders (subfamily Stegophilinae) and blood feeders (i.e., ‘candirus’, subfamily Vandelliinae). The influence of parasitic catfishes on food web dynamics is unknown.
Carmen G. Montaña +7 more
wiley +1 more source
Predation and Crypsis in the Evolution of Electric Signaling in Weakly Electric Fishes
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
Fish, Corumbataí and Jacaré-Pepira river basins, São Paulo State, Brazil [PDF]
Fish were studied in two river basins (Corumbataí and Jacaré-Pepira) subjected to strong human pressure, in the interior of the State of São Paulo, southeastern Brazil.
Braga, F. M. S., Gomiero, L. M.
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Read the free Plain Language Summary for this article on the Journal blog. Abstract Tropical freshwater fishes are often exposed to hypoxia, which limits aerobic metabolism and drives the evolution of diverse physiological, behavioural and morphological adaptations.
William G. R. Crampton +4 more
wiley +1 more source
On the homologies of the skeletal components of catfish (Teleostei: Siluriformes) suspensorium [PDF]
There has been much controversy concerning the identity of the components of the suspensorium in Siluriformes (catfishes). This confusion has implications not only for comparative morphology, but also for phylogenetic studies.
Chardon, M., Diogo, R., Oliveira, C.
core
Fish, Marmelos Conservation Area (BX044), Madeira River basin, states of Amazonas and Rondônia, Brazil. [PDF]
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

