Results 21 to 30 of about 485 (66)

Physical mapping and molecular structure of B chromosomes in species of the genus Characidium (Characiformes, Crenuchidae)

open access: yes, 2016
Cromossomos B são componentes aparentemente dispensáveis encontrados nos genomas de inúmeras espécies, compostos basicamente de sequências repetitivas de DNA.
Freitas, Érica Alves Serrano [UNESP]
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Esttrutura cromossômica e caracterização cariotípica no gênero Characidium (Teleostei, Characiformes, Crenuchidae)

open access: yes, 2015
In the present study, eighteen species from the genus Characidium collected at different river basins were analyzed, including C. cf. zebra, C. tenue, C. xavante, C.
Scacchetti, Priscilla Cardim
core   +3 more sources

Characidium heirmostigmata, a new characidiin fish (Characiformes: Crenuchidae) from the upper rio Paran\ue1 basin, Brazil [PDF]

open access: yes, 2008
Characidium heirmostigmata new species is described from the rio Ivaí drainage, upper rio Paraná basin, Paraná State, Brazil. The new species is diagnosed among its congeners by the possession of eight to 11 incomplete oblique dark bars on the body sides,
Carla S Pavanelli   +4 more
core   +2 more sources

Mapeamento físico e estrutura molecular dos cromossomos B em espécies do gênero Characidium (Characiformes, Crenuchidae)

open access: yes, 2016
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Processo FAPESP: 2013/02143-3Pós-graduação em Ciências Biológicas (Genética) - IBBCromossomos B são componentes aparentemente dispensáveis encontrados nos genomas de inúmeras espécies ...
Freitas, Érica Alves Serrano
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Characidium lauroi Travassos 1949

open access: yes, 2019
<i>Characidium lauroi</i> Travassos, 1949 <p>Figure 2F</p> <p>Geographic distribution: Upper reaches of Paraíba do Sul tributaries.</p> <p> Diagnosis: <i>Characidium lauroi</i> differs from
Buckup, Paulo Andreas, de Brito, Victor
core   +1 more source

Dinâmica populacional de Characidium lauroi e C. alipioi (Teleostei, Crenuchidae) na microbacia do Ribeirão Grande, serra da Mantiqueira Oriental, Estado de São Paulo

open access: yes, 2014
In low-order streams, the high and variable water flow rates offer both advantages and disadvantages to the life cycle of fishes. Even closely related species living in similar habitats can show differences in life history patterns. Based on oocyte-size distributions, C. lauroi was classified into the fractional spawning type, and C.
Braga, Francisco Manoel de Souza   +2 more
openaire   +2 more sources

FIGURE 1 in Description of a new species of Characidium Reinhardt, 1867 (Characiformes: Crenuchidae) from the Chapada Diamantina, Bahia, and redescription of Characidium bimaculatum Fowler, 1941

open access: yes, 2016
FIGURE 1. Characidium clistenesi, sp. nov, holotype (MZUSP 120530, 27.4 mm SL, male) in (A) lateral, (B) dorsal, and (C) ventral views.Published as part of Melo, Marcelo R. S.
Melo, Marcelo R. S.   +5 more
core   +1 more source

Spatial distribution of characidiin fishes (Teleostei, Crenuchidae) in the Ribeirão Grande system, a tributary of Paraíba do Sul river

open access: yes, 2014
. This study analyses the spatial distribution of characidiin fishes Characidium lauroi and Characidium alipioi (Crenuchidae) in a forest stream system located in southeastern Brazil. Fish were sampled from July 2001 to April 2002.
Francisco Manoel, Souza Braga
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Dinamica populacional de Characidium lauroi e C. alipioi (Teleostei, Crenuchidae) na microbacia do Ribeirao Grande, serra da Mantiqueira Oriental, Estado de Sao Paulo

open access: yes, 2017
Em riachos de pequena ordem, o alto e variável fluxo de água oferece tanto vantagens como desvantagens para o ciclo de vida de peixes. Mesmo espécies próximas que vivem em habitats semelhantes podem apresentar diferenças em seus padrões de ciclo de vida.
Braga, Francisco Manoel de Souza   +2 more
core  

CITOGENÉTICA MOLECULAR EM Characidium: UMA ANÁLISE DA DIVERSIFICAÇÃO DOS CROMOSSOMOS SEXUAIS ZZ/ZW

open access: yes, 2011
The Characidium genus shows a broad karyotypic variability regarding the origin and diversification of the sex chromosomes, intra-and interindividual variation of B chromosomes and location of sites and number of NORs chromosomes bearing.
TATIANA CRISTINA MACHADO
core  

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