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Gymnotoidei

National Institutes of Health

Papers overview

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2005
2005
Fluorescencein situ hybridization with rDNA probes on chromosomes of two nucleolus organizer region phenotypes of a species ofEigenmannia (Pisces, Gymnotoidei, Sternopygidae)
Nucleolus organizer regions (NORs) were analysed in two related and geographically close populations ofEigenmannia sp. 1 (Pisces… 
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2004
2004
Electrolocation and jamming avoidance in aHypopygus (Rhamphichthyidae, Gymnotoidei), an electric fish with pulse-type discharges
SummaryHypopygus fires its electric organ in short pulses of less than 1 msec duration, at a variable rate between 60 and 100 Hz… 
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2004
2004
“Naked” spinal cord on a non-segmented baton-like bony structure in the tail of the electric fish Eigenmannia virescens (Gymnotoidei)
SummaryThe caudal spinal cord of Eigenmannia virescens is not enclosed in a neural canal of the vertebral column. In fact, a… 
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1997
1997
Extensive nucleolus organizer region polymorphism in Gymnotus carapo (Gymnotoidei, Gymnotidae).
An investigation was conducted on six populations of Gymnotus carapo from the Upper Parana river system in Brazil. A wide… 
1996
1996
A molecular and morphological perspective on the phylogenetic relationships of the otophysan fishes.
We examined the phylogenetic relationships among the major lineages of otophysan fishes (Cypriniformes, Characiformes, Siluroidei… 
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1995
1995
Sistema de cromossomos sexuais com heterogametia masculina do tipo x1x1x2x2 / x1x2y em hypopomus sp. (Gymnotoidei, hypopomidae)
1991
1991
Description d'une nouvelle espèce de Poisson électrique du genre néotropical Hypopomus (Siluriformes : Gymnotoidei : Hypopomidae) du Sud-Est du Brésil
1978
1978
Neuronal gap junctions and morphologically mixed synapses in the spinal cord of a teleost, Sternarchus albifrons (gymnotoidei)
Abstract Spinal cord motoneurons in the gymnotid, Sternarchus albifrons , were studied electron microscopically with special… 
1977
1977
Deficit in object detection (electrolocation) following interruption of cerebellar function in the weakly electric fish,Apteronotus albifrons
Neural units in the cerebella of electrosensitive gymnotid fish respond to objects which distort the fish's electric field 1-4… 
1957
1957
Porotergus ellisi. Una nueva subespecie de gimnótido de la Argentina (Pisces: Gymnotoidei).
Debido a una revision de la coleccion del Museo de La Plata he encontrado cuatro gimnotidos que a mi juicio corresponden a una… 
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