Pisces, Gymnotiformes, Hypopomidae, Brachyhypopomus draco (Giora, Malabarba and Crampton, 2008): new species record at Lagoa do Peixe National Park, state of Rio Grande do Sul, Brazil by Marlucy Claudino, Fabiano Corrêa, Rodrigo Bastos, Alexandre Garcia

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Two new species and a new subgenus of toothed Brachyhypopomus electric knifefishes (Gymnotiformes, Hypopomidae) from the central Amazon and considerations pertaining to the evolution of a monophasic electric organ discharge by John Sullivan, Jansen Zuanon, Cristina Cox Fernandes

“…We describe two new, closely related species of toothed Brachyhypopomus (Hypopomidae: Gymnotiformes: Teleostei) from the central Amazon basin and create a new subgenus for them. …”
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Pisces, Gymnotiformes, Hypopomidae, <i>Brachyhypopomus draco</i> (Giora, Malabarba and Crampton, 2008): New species record at Lagoa doPeixe National Park, state of Rio Grande do Sul, Brazil by Garcia, A. M., Claudino, M. C., Corrêa, F., Bastos, R. F.

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Biology and behavior of <i>Eigenmannia vicentespelaea</i>, a troglobitic electric fish from Brazil (Teleostei: Gymnotiformes: Sternopygidae): a comparison to the epigean species, <i>E. trilineata</i>, and the consequences of cave life by Maria Elina Bichuette, Eleonora Trajano

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Mitochondrial genomes of the South American electric knifefishes Eigenmannia humboldtii (Steindachner 1878), Eigenmannia limbata (Schreiner and Miranda Ribeiro 1903), Sternopygus aequilabiatus (Humboldt 1805) and Sternopygus macrurus (Bloch and Schneider 1801), (Gymnotiformes, Sternopygidae) by Melissa Rincón-Sandoval, Ricardo Betancur-R, Javier A. Maldonado-Ocampo

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Comparable ages for the independent origins of electrogenesis in African and South American weakly electric fishes. by Sébastien Lavoué, Masaki Miya, Matthew E Arnegard, John P Sullivan, Carl D Hopkins, Mutsumi Nishida

“…The most recent common ancestor of the Mormyroidea and Gymnotiformes was found to be a non-electrogenic basal teleost living more than 85 millions years earlier. …”
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Illustrated list of additions to the ichthyofauna of the Caura River, Venezuela by Nirson González, Gabriela Echevarría, Felix Daza, Francis Mass

“…Of these, 18 were found in two floodplain lagoons in the lower Caura, corresponding to the orders Characiformes, Clupeiformes, Gymnotiformes, Siluriformes and Perciformes and one species of Tetraodontiformes in the port of Maripa. …”
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Comunicación eléctrica en peces sudamericanos by Ana Silva, Oscar Macadar

“…Los Gymnotiformes, peces eléctricos americanos de descarga débil, poseen un refinado ";Sentido Electrosensorial Activo"; que les permite explorar su medio ambiente y comunicarse.…”
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Spatial and temporal variation of benthic fish assemblages during the extreme drought of 1997-98 (El Niño) in the middle rio Negro, Amazonia, Brazil by Mario J. F. Thomé-Souza, Ning Labbish Chao

“…Siluriformes was the most specious with 59 species, followed by Gymnotiformes (30), Characiformes (30), Perciformes (9), Clupeiformes (4), Pleuronectiformes (1) and Tetraodontiformes (1). …”
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Fish, Sorocaba river sub-basin, state of São Paulo, Brazil. by Smith, W. S., Petrere Jr., M., Barrella, V.

“…We listed 71 species, distributed in 7 orders, 22 families and 50 genera.Characiformes are represented by 39 species, Siluriformes 21, Perciformes 4, Gymnotiformes 3, Cyprinodontiformes 2,and Synbranchiformes and Cypriniformes by a single species each. …”
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Comparing lacustrine environments: the importance of the kind of habitat on the structure of fishes by Reinaldo José de Castro, Raoul Henry, Carla Ferragut, Mayara Casartelli

“…Results 546 specimens were collected from 9 families, 12 genera and 15 species of the orders Characiformes, Siluriformes, Cichliformes and Gymnotiformes. Pimelodus maculatus was the most abundant species in the connected lake. …”
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Ictiofauna do Ribeirão do Pântano, afluente do Rio Mogi-Guaçu, Bacia do Alto Rio Paraná, São Paulo, Brasil Ichthyofauna of Pântano stream, tributary of Mogi-Guaçu river, alto Paran... by Odynei R. Perez-Junior, Júlio C. Garavello

“…Cinco espécies pertencentes a ordem Perciformes, três a ordem Gymnotiformes, duas a Cyprinondontiformes e uma de Synbranchiformes também foram encontradas.…”
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Fish associated with aquatic macrophytes in the Chacororé-Sinhá Mariana Lake system and Mutum River, Pantanal of Mato Grosso, Brazil Peixes associados a macrófitas aquáticas no sis... by EB. Pacheco, CJ. Da-Silva

“…The most abundant and richest order was the Characiformes, followed by the Gymnotiformes and Siluriformes. Analysis of similarity showed a very low, or null, index that the limnological conditions and morphology of the aquatic macrophyte species provide habitat sufficiently homogeneous to give. …”
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Fish, Sorocaba river sub-basin, state of São Paulo, Brazil by Welber Smith, Miguel Petrere Jr., Valter Barrella

“…Characiformes are represented by 39 species, Siluriformes 21, Perciformes 4, Gymnotiformes 3, Cyprinodontiformes 2, and Synbranchiformes and Cypriniformes by a single species each. …”
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Fishes of the Vermelho River, São Lourenço River basin, Mato Grosso state, Brazil by Reinaldo de Castro, Patrícia Vizzotto

“…Characiformes were represented by 23 species, Siluriformes by 11, Perciformes by two, and Gymnotiformes and Pleuronectiformes by a single species each.…”
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Ichthyofauna of tributaries of the Vermelho River, upper Paraguay River basin, region of Rondonópolis, state of Mato Grosso, Brazil by Patrícia Vizzotto, Reinaldo José de Castro

“…Characiformes was represented by 19 species, Siluriformes by 15 species, Gymnotiformes by three species and Perciformes by two species.…”
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The brain of Brycon orbignyanus (Valenciennes, 1850) (Teleostei: Characiformes: Bryconidae): gross morphology and phylogenetic considerations by Thiago N. A. Pereira, Ricardo M. C. Castro

“…The study of brain gross morphology of 48 distinct taxa of Characiformes, one of Cypriniformes, two of Siluriformes and two of Gymnotiformes, allowed us to propose, for the first time, six putative brain synapomorphies for the Characiformes and also two possibly unique gross brain morphology characters for the Siluriformes. …”
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A phylogenomic approach to reconstruct interrelationships of main clupeocephalan lineages with a critical discussion of morphological apomorphies by Nicolas Straube, Chenhong Li, Matthias Mertzen, Hao Yuan, Timo Moritz

“…Within Ostariophysi, Gonorynchiformes are sister to a clade comprising Cypriniformes, Characiformes, Siluriformes and Gymnotiformes, where the interrelationships of Characiformes, Siluriformes and Gymnotiformes remain enigmatic. …”
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The fish fauna in tropical rivers: The case of the Sorocaba river basin, SP, Brazil by Welber Senteio Smith, Miguel Petrere, Walter Barrella

“…Characiformes were represented by twenty-eight species, Siluriformes by seventeen species, the Gymnotiformes by three species, Perciformes and Cyprinodontiformes by two species, and the Synbranchiformes by one species. …”
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Fish assemblage composition in a tributary of the Mogi Guaçu river basin, southeastern Brazil by Alexandre Kannebley de Oliveira, Júlio César Garavello

“…Characiformes (27 spp.) and Siluriformes (13 spp.) were the most species-rich orders. Gymnotiformes and Perciformes were represented by two species each, and Synbranchiformes had only a single species. …”
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