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Gymnotiformes

An order of neotropical electric fish found chiefly in the waters of South America. They continually emit weak electric discharges, which they use in… Expand
National Institutes of Health

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EigenmanniaElectrophoridae
In BloodMicrobiologicalphysiological aspects

Papers overview

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2016
2016
Model-based total evidence phylogeny of Neotropical electric knifefishes (Teleostei, Gymnotiformes).
This study provides the most comprehensive Model-Based Total Evidence (MBTE) phylogenetic analyses of the clade Gymnotiformes to… Expand
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Highly Cited
2011
Highly Cited
2011
Evolutionary history of Otophysi (Teleostei), a major clade of the modern freshwater fishes: Pangaean origin and Mesozoic radiation
BackgroundFreshwater harbors approximately 12,000 fish species accounting for 43% of the diversity of all modern fish. A single… Expand
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Highly Cited
2007
Highly Cited
2007
Global diversity of fish (Pisces) in freshwater
The precise number of extant fish species remains to be determined. About 28,900 species were listed in FishBase in 2005, but… Expand
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Highly Cited
2006
Highly Cited
2006
A phylogenetic analysis of the major groups of catfishes (Teleostei: Siluriformes) using rag1 and rag2 nuclear gene sequences.
Higher-level relationships among catfishes were investigated by parsimony, maximum likelihood and Bayesian analyses of two… Expand
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2005
2005
A new Gymnotus (Teleostei: Gymnotiformes: Gymnotidae) from the Pantanal Matogrossense of Brazil and adjacent drainages: continued documentation of a cryptic fauna
Here we describe a new species of Gymnotus, G. pantanal n. sp., from the Pantanal Matogrossense of Brazil, using morphological… Expand
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Highly Cited
2003
Highly Cited
2003
Seven new species of the Neotropical electric fish Gymnotus (Teleostei, Gymnotiformes) with a redescription of G. carapo (Linnaeus)
Seven new species of Gymnotus are described, and a redescription of the type species G. carapo sensu-stricto Linnaeus ( G. carapo… Expand
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Highly Cited
2001
Highly Cited
2001
Species diversity and phylogenetic systematics of American knifefishes (Gymnotiformes, Teleostei).
 
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Highly Cited
1990
Highly Cited
1990
Functional analysis of sexual dimorphism in an electric fish, Hypopomus pinnicaudatus, order Gymnotiformes.
Hypopomus pinnicaudatus, an electric fish, has a marked sexual dimorphism in its tail filament. Sexually mature males have long… Expand
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Highly Cited
1985
Highly Cited
1985
Single electrocytes produce a sexually dimorphic signal in South American electric fish,Hypopomus occidentalis (Gymnotiformes, Hypopomidae)
SummaryHypopomus occidentalis is a weakly electric Gymnotiform fish with a pulse-type electric organ discharge (EOD).Hypopomus… Expand
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Highly Cited
1981
Highly Cited
1981
Polymorphic nature of nucleolus organizer regions in fishes.
An analysis of the nucleolar organizer region(NOR) by silver staining of five species of the order Gymnotiformes, Gymnotus carapo… Expand
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