Results 51 to 60 of about 418 (159)

The use of taxonomic families as biological surrogates of the diversity of the Amazonian stream fish

Ecological Indicators, 2022
The reliable identification of the fish species found in Amazonian streams requires a considerable investment of both time and resources, which often hampers the biodiversity pattern mapping and conservation planning.
Luciana Lameira dos Santos, Naraiana Loureiro Benone, Leandro Schlemmer Brasil, Tiago H.S. Pires, Tiago Octavio Begot, Danihelton Douglas F. Dantas, Luciano Fogaça de Assis Montag   +6 more
doaj   +1 more source

Distribuição espacial de peixes characidíneos (Teleostei, Crenuchidae) no sistema do Ribeirão Grande, um tributário da bacia do rio Paraíba do Sul, Brasil - DOI: 10.4025/actascibiolsci.v27i3.1335

Acta Scientiarum: Biological Sciences, 2008
Este estudo analisa a distribuição espacial de peixes characidíneos, Characidium lauroi e Characidium alipioi, no sudeste do Brasil. Os peixes foram amostrados de julho de 2001 a abril de 2002. As coletas foram feitas com um aparelho de pesca-elétrica em
Francisco Manoel de Souza Braga
doaj   +1 more source

Neotropical Monogenoidea 59. Polyonchoineans from Characidium spp. (Characiformes: Crenuchidae) from southern Brazil [PDF]

Folia Parasitologica, 2014
Gyrodactylidae and Dactylogyridae (Monogenoidea) are described or reported from three species of Characidium Reinhardt (Crenuchidae), small species of Characiformes, from streams located in southern Brazilian states. Gyrodactylus carolinae sp. n.
Walter A, Boeger, Renata C, Ferreira, Rogério T, Vianna, Luciana, Patella   +3 more
openaire   +2 more sources

(Characiformes: Crenuchidae) in the Chocó biogeographic region, Colombian Andes: Two new species supported by morphological and molecular data

, 2020
Agudelo‐Zamora, Henry D., Tavera, José, Murillo, Yiskar D., Ortega‐Lara, Armando (2020): The unknown diversity of the genus Characidium (Characiformes: Crenuchidae) in the Chocó biogeographic region, Colombian Andes: Two new ...
Agudelo‐Zamora, Henry D., Ortega‐Lara, Armando, Tavera, José, Armando Ortega‐Lara, Henry D. Agudelo‐Zamora, Murillo, Yiskar D., Yiskar D. Murillo, José Tavera   +7 more
core   +1 more source

Linked collectors and determiners for: Characidium longum (Characiformes: Crenuchidae), a new fish from Venezuela..

Natural history specimen data linked to collectors and determiners held within, "Characidium longum (Characiformes: Crenuchidae), a new fish from Venezuela.".
Bionomia
core   +4 more sources

Sex chromosome composition revealed in Characidium fishes (Characiformes: Crenuchidae) by molecular cytogenetic methods [PDF]

Biologia, 2014
The W chromosome of the fishes Characidium cf. fasciatum, Characidium sp. and Characidium cf. gomesi is heterochromatic, as is usually seen in most Characidium species. Samples of W-chromatin were collected by mechanical microdissection and amplified by DOP-PCR (degenerate oligonucleotide-primed polymerase chain reaction), to be used as painting probes
Pazian, Marlon F., Oliveira, Claudio, Foresti, Fausto   +2 more
openaire   +2 more sources

Figure 1 in The monophyly of Crenuchinae and description of two new species of Poecilocharax (Teleostei: Crenuchidae) based on phenotypic and genotypic evidence

, 2022
Figure 1. Abbreviated phylogenetic trees of Crenuchidae obtained in this study based on mitochondrial gene cytochrome c oxidase subunit I (COI, 666 bp), indicating the monophyly of Crenuchinae (highlighted) and the relationships among its representatives.
Pastana, Murilo, Ohara, Willian M., Camelier, Priscila   +2 more
core   +1 more source

A remarkable new Characidium (Characiformes: Crenuchidae) from tributaries of río Marañón, Loreto, Peru, with unique fin bony processes in both sexes

Neotropical Ichthyology
A new species of Characidium from tributaries of the río Marañón, Loreto, Peru is described.The new species is promptly distinguished from congeners and also remaining species of Crenuchidae by two exclusive features: females and males with bony ...
Angela Maria Zanata, Ricardo Britzke, Vanessa Meza-Vargas, Max H. Hidalgo, Dario Faustino-Fuster, Leonardo Oliveira-Silva   +5 more
doaj   +1 more source

Ecological Factors and Diversification among Neotropical Characiforms

International Journal of Ecology, Volume 2012, Issue 1, 2012., 2012
Morphological and DNA sequence data has been used to propose hypotheses of relationships within the Characiformes with minimal comparative discussion of causes underpinning the major intraordinal diversification patterns. We explore potential primary morphological factors controlling the early diversification process in some Neotropical characiforms as
Cástor Guisande, Patricia Pelayo-Villamil, Manuel Vera, Ana Manjarrés-Hernández, Mónica R. Carvalho, Richard P. Vari, Luz Fernanda Jiménez, Carlos Fernández, Paulino Martínez, Edgar Prieto-Piraquive, Carlos Granado-Lorencio, Santiago R. Duque, J. J. Wiens   +12 more
wiley   +1 more source

FIG. 4 in Redescription of the Guiana Shield Darter Species Characidium crandellii and C. declivirostre (Crenuchidae) with Descriptions of Two New Species

, 2021
FIG. 4. Dorsal, lateral, and ventral views of Characidium crandellii in life, potential nuptial male, AUM 67142, 106.9 mm SL; Ireng River population. Photos by N. K. Lujan.Published as part of Armbruster, Jonathan W., Lujan, Nathan K.
Bloom, Devin D., Armbruster, Jonathan W., Lujan, Nathan K.   +2 more
core   +1 more source