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Article . 2008
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Discopyge castelloi sp. nov., una nueva especie de raya eléctrica del Mar Argentino (Torpediniformes, Narcinidae)

Authors: Menni, Roberto Carlos; Rincón, Getulio; Garcia, Mirta Lidia;

Discopyge castelloi sp. nov., una nueva especie de raya eléctrica del Mar Argentino (Torpediniformes, Narcinidae)

Abstract

Se describe una nueva especie de raya eléctrica de la familia Narcinidae, Discopyge castelloi, hallada en el Atlántico Sudoccidental frente a Argentina. Son caracteres distintivos de la nueva especie la forma del cuerpo, la posición posterior de las aletas pélvicas y la forma en que éstas se unen al pedúnculo caudal, la morfología de la cortina nasal y la presencia de ojos pequeños, pero aparentemente funcionales. Discopyge castelloi es la cuarta especie de torpediniforme citada para el área. Parece ser una especie muy rara en la plataforma, pero el lugar de captura del holotipo está separado del de los demás ejemplares obtenidos (n= 3) por siete grados de latitud. Como en el caso de Torpedo puelcha, es probable que la presencia en aguas costeras de los ejemplares estudiados fuera ocasional, y que la nueva especie viva corrientemente en un hábitat más profundo.

. A new species of electric ray of the family Narcinidae, Discopyge castelloi, is described from the southwestern Atlantic off Argentina. Distinctive characters of the new species are the form of the body, the posterior position of pelvic fins and the manner as pelvic fins join the caudal peduncle, the morphology of the nasal curtain and the presence of small but apparently functional eyes. Discopyge castelloi is the fourth torpediniform species reported from the area. It appears to be very rare on the shelf, though the type locality is separated from that of the paratypes by seven latitude degrees. As in the case of Torpedo puelcha, it is probable that the new species has a normal habitat deeper than that of the available specimens.

Fil: Menni, Roberto Carlos. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Zoología de Vertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina

Fil: Garcia, Mirta Lidia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Zoología de Vertebrados; Argentina

Fil: Rincón, Getulio. Universidade Estadual Paulista Julio de Mesquita Filho; Brasil

Country
Argentina
Keywords

TORPEDINIFORME, https://purl.org/becyt/ford/1.6, DISCOPYGE, D. CASTELLOI, https://purl.org/becyt/ford/1

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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