Results 41 to 50 of about 1,505 (203)

A new species of Moenkhausia Eigenmann (Characiformes: Characidae) from the rio Xingu basin, Brazil

open access: yesNeotropical Ichthyology
A new species of Moenkhausia from the upper rio Xingu basin is described. Moenkhausia eurystaenia is distinguished from all congeners, except M. heikoi and M.
Manoela M. F. Marinho
doaj   +1 more source

Zonation longitudinale du peuplement ichtyque du fleuve Sinnamary (Guyane Française) [PDF]

open access: yes, 1988
Le Sinnamary est un fleuve de moyenne importance (bassin de 6565 km2) de la Guyane Française. A l'aide de divers critères d'ordre géologique, pédologique, hydrologique et phytosociologique, nous avons pu diviser le fleuve en 3 zones distinctes : la ...
Boujard, T., Rojas-Beltran, R.
core  

Ichthyofaunistic composition of the Quilombo river, tributary of the Mogi-Guaçu river, upper Paraná river basin, southeastern Brazil [PDF]

open access: yes
Um estudo sobre a composição ictiofaunística do rio Quilombo foi realizado com o intuito de identificar quais espécies de peixes habitam a bacia, com que freqüência tais espécies são encontradas e verificar variações na distribuição longitudinal desta ...
APONE, Fernando   +2 more
core   +1 more source

A new Hyphessobrycon (Characiformes: Acestrorhamphidae) of the Hyphessobrycon agulha lineage of Hyphessobryconinae from the lower Aripuanã basin, Brazil, with comments about the lineage

open access: yesJournal of Fish Biology, EarlyView.
Abstract A new species of Hyphessobrycon is described from a tributary of Rio Jatuarana, lower Rio Aripuanã basin, Rio Madeira basin, Apuí, Amazonas. The new species is part of the Hyphessobrycon agulha lineage, with the typical midlateral narrow black stripe immediately followed dorsally by an iridescent stripe.
Tiago C. Faria   +3 more
wiley   +1 more source

A new Moenkhausia Eigenmann, 1903 (Ostariophysi: Characiformes) from Chapada Diamantina, rio Paraguaçu Basin, Bahia, Northeastern Brazil

open access: yesNeotropical Ichthyology
Moenkhausia diamantina, new species, is described from tributaries of the rio Paraguaçu, BA, northeastern Brazil. This species is distinguished from all congeners by features of body color pattern, the presence of scales on the predorsal median line and ...
Ricardo C. Benine   +2 more
doaj   +1 more source

Eating at the edges: the feeding mode and the individual-resource networks of a characid fish in the periphyton

open access: yesActa Limnologica Brasiliensia, 2020
: Aim We evaluated the predation interactions between Moenkhausia sanctaefilomenae and periphytic algae, in the presence or absence of an intermediate consumer (zooplankton).
Ubirajara Lima Fernandes   +5 more
doaj   +1 more source

Length-weight relationships of fish from sandy beaches

open access: yesBrazilian Journal of Biology, 2021
This study estimated the length–weight relationships of 16 fish species occurring close to the shores of sandy beaches along the lower Negro River basin, Brazilian Amazon.
D. Olentino   +7 more
doaj   +1 more source

Composição e distribuição de comunidades de peixes na planície de inundação do rio Taquari, Pantanal, MS. [PDF]

open access: yes, 2014
Este estudo teve o objetivo de caracterizar a ictiofauna da planície de inundação bacia do baixo Rio Taquari (Pantanal, MS) quanto à estrutura e diversidade de suas comunidades.
AOKI, C.   +3 more
core  

Fish, lower Ivinhema River basin streams, state of Mato Grosso do Sul, Brazil. [PDF]

open access: yes, 2008
The Ivinhema River basin is one of the main tributaries of the western portion of Paraná River. However,few data are available on the fish communities of its streams.
Súarez, Y. R.
core   +1 more source

Isolated in the highlands, found in the museum: A new species of Characidium (Crenuchidae) from a Bolivian National Park, with a CT scan revealing features

open access: yesJournal of Fish Biology, EarlyView.
Abstract A new species of Characidium is described from a small, isolated river in the highland areas of Noel Kempff Mercado National Park, Bolivia. The new taxon can be diagnosed by the presence of a relatively broad and conspicuous dark midlateral stripe extending from the tip of snout to the base of the caudal fin, markedly darker than the vertical ...
Leonardo Oliveira‐Silva   +3 more
wiley   +1 more source

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