Results 21 to 30 of about 1,505 (203)

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

A new species of Moenkhausia (Characiformes, Characidae) from the Içá River, Amazon Basin, northern Brazil

open access: yesZoosystematics and Evolution, 2016
A new species of the genus Moenkhausia is described from the Içá River, Amazon Basin. Moenkhausia britskii sp. n. is most similar to M. grandisquamis and M. xinguensis. From these two species it is readily distinguished by the pigmentation pattern of the
Valter M. Azevedo-Santos   +1 more
doaj   +3 more sources

Resposta das comunidades de peixes a intensa seca em riachos de savana brasileira [PDF]

open access: yes, 2017
Os riachos são submetidos a intensas mudanças na sua estrutura física ao longo das estações. Secas intensas nos períodos de estiagem tem sido frequentes e potencialmente deletérias para as espécies aquáticas.
Silva, Dianne Michelle Alves da   +1 more
core   +1 more source

Redescription of Moenkhausia megalops (Eigenmann, 1907), a widespread tetra from the Amazon basin (Characiformes, Characidae)

open access: yesZoosystematics and Evolution, 2017
Moenkhausia currently comprises 90 valid species and represents one of the very species-rich genera in Characidae. Most of these species need to be revised since their original descriptions are out-of-date and are uninformative.
Isabel M. Soares   +2 more
doaj   +3 more sources

Moenkhausia hemigrammoides Géry, 1965 (Characidae, Stethaprioninae) in Colombia: new records and comments on morphology [PDF]

open access: yesCheck List, 2019
Moenkhausia hemigrammoides Géry, 1965 was described from Suriname and recently found in the Ariari drainage, part of the Orinoco river basin. Here, we formally report the presence of this species in the Ariari and Inírida drainages ...
Alejandro Méndez-López   +1 more
doaj   +3 more sources

Description of a new species of Moenkhausia (Characiformes: Characidae) from the upper Paraguay basin, Central Brazil, with comments on its phylogenetic relationships

open access: yesNeotropical Ichthyology, 2018
A new species of Moenkhausia is described from tributaries of the upper rio Sepotuba, Paraguay basin, Brazil. The new species is distinguished from its congeners by a combination of characters, including an inconspicuous oval-shaped vertically elongated ...
Ricardo Britzke   +3 more
doaj   +1 more source

An inconvenient routine: introduction, establishment and spread of new non-native fishes in the Paraíba do Sul River basin, state of Minas Gerais, Brazil [PDF]

open access: yesNeotropical Biology and Conservation, 2019
This study updates the introduction of non-native fishes Nannostomus beckfordi, Aphyocharax anisitsi, Knodus moenkhausii, Moenkhausia costae, Ancistrus multispinis and Astronotus ocellatus in the largest ornamental aquaculture center located in Paraíba ...
André Lincoln Barroso Magalhães   +2 more
doaj   +3 more sources

Moenkhausia nigromarginata

open access: yes, 2016
Moenkhausia nigromarginata: MZUSP 5179, 13, 37.3 55.4 mm SL, MZUSP 45289, 5, 21.5 39.4 mm SL, MZUSP 93509, 156, 17 51.4 mm SL, MZUSP 93520, 215, 30.4 49.8 mm SL, MZUSP 93657, 26, 19.4 53.2 mm SL, Rio Papagaio basin.
Dagost, Fernando C. P.   +3 more
openaire   +1 more source

A new species of Moenkhausia (Characiformes: Acestrorhamphidae) from the Amazon basin at Serra do Cachimbo, Pará, Brazil [PDF]

open access: yesNeotropical Ichthyology
A new species of Moenkhausia is described from the headwaters of the Curuá and Teles Pires River basin, localities restricted to the Serra do Cachimbo, Pará, Brazil.
José Igor da Silva   +2 more
doaj   +1 more source

Predation on pirarucu larvae by opportunistic fish species

open access: yesActa Amazonica, 2022
One of the constraints in pirarucu, Arapaima gigas farming is the reproduction in captivity, due to inconsistent number of spawning events per reproductive cycle, thus, unreliable availability of juvenile fish. This is a first-hand report on predation of
Adriana Ferreira LIMA   +3 more
doaj   +1 more source

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