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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… (More)
National Institutes of Health

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Topic mentions per year

1981-2017
051019812017

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5 relations

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EigenmanniaElectrophoridae
In BloodMicrobiologicalphysiological aspects

Related mentions per year

Related mentions per year

1936-2018
19401960198020002020
Gymnotiformes
physiological aspects
Microbiological
Eigenmannia
Electrophoridae
In Blood

Papers overview

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2009
2009
Cytogenetic studies in Eigenmannia virescens (Sternopygidae, Gymnotiformes) and new inferences on the origin of sex chromosomes in the Eigenmannia genus
Cytogenetic studies were carried out on samples of Eigenmannia virescens (Sternopygidae, Gymnotiformes) obtained from four river… (More)
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2005
2005
An X1X1X2X2/X1X2Y multiple sex chromosome system in a new speciesof the genus Gymnotus (Pisces, Gymnotiformes)
We characterize the karyotype of Gymnotus sp., an undescribed fish species from the Paraná River. The diploid number is 2n = 40… (More)
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2004
2004
Biogeography and Breeding in Gymnotiformes from Uruguay
This study was carried out in Uruguay (30–35°S), South America, with two complementary approaches. First, an extensive… (More)
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2004
2004
Single electrocytes produce a sexually dimorphic signal in South American electric fish,Hypopomus occidentalis (Gymnotiformes, Hypopomidae)
Hypopomus occidentalis is a weakly electric Gymnotiform fish with a pulse-type electric organ discharge (EOD).Hypopomus used in… (More)
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2004
2004
Swimming Patterns Associated with Foraging in Phylogenetically and Ecologically Diverse American Weakly Electric Teleosts (Gymnotiformes)
The backwards swimming behavior exhibited by American weakly electric fishes (Gymnotiformes) is thought to be an important… (More)
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2000
2000
Sex chromosome evolution in fish. II. Second occurrence of an X1X2Y sex chromosome system in Gymnotiformes
A multiple sex chromosome system of the X1X1X2X2:X1X2Y type is reported to occur in the fish species Brachyhypopomus… (More)
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1999
1999
The electric organ discharge of pulse gymnotiforms: the transformation of a simple impulse into a complex spatio-temporal electromotor pattern
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  • 1999
An understanding of how the nervous system processes an impulse-like input to yield a stereotyped, species-specific electromotor… (More)
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1995
1995
Phylogenetic analysis of the South American electric fishes (order Gymnotiformes) and the evolution of their electrogenic system: a synthesis based on morphology, electrophysiology, and mitochondrial…
The order Gymnotiformes (South American electric fishes) is a fascinating assemblage of freshwater fishes that share the unusual… (More)
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1993
1993
Directional characteristics of tuberous electroreceptors in the weakly electric fish, Hypopomus (Gymnotiformes)
This paper is an electrophysiological study of the directionality of the tuberous electroreceptors of weakly electric fish. We… (More)
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1984
1984
Innervation pattern and electric organ discharge waveform in Gymnotus carapo (Teleostei; Gymnotiformes).
The electrogenic organ (EO) of Gymnotus carapo has two main portions: a posterior region consisting of four bilaterally arranged… (More)
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