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Dentition of the apron ray Discopyge tschudii (Elasmobranchii: Narcinidae)
(Wiley Blackwell Publishing, Inc, 2017-10)
The present study provides quantitative and qualitative analyses of the dentition of Discopyge tschudii. Overall, 193 individuals (99 males and 94 females) of D. tschudii were collected on scientific trawl surveys conducted ...
Influence of estuarine and continental shelf water advection on the coastal movements of apron ray Discopyge tschudii in the Southwestern Atlantic
(Wiley Blackwell Publishing, Inc, 2011-10)
Evaluated was the seasonal and inter‐annual association between habitat variables and distribution pattern of the apron ray (Discopyge tschudii) and its relationship, with the main force on the environmental condition to ...
Feeding habits of the apron ray, Discopyge tschudii (Elasmobranchii: Narcinidae), from off Uruguay and northern Argentina
(Cambridge University Press, 2013-03)
The feeding habits of the apron ray, Discopyge tschudii, were investigated, off Uruguay and northern Argentina, and we tested the hypothesis that the diet changes with increasing body size, between sexes and seasons using ...
Feeding ecology of the apron ray Discopyge tschudii (Elasmobranchii, Narcinidae) in San Jorge Gulf, Patagonia, Argentina
(Cambridge University Press, 2016-08)
The study of the feeding habits of elasmobranch populations should help to elucidate the ecological role of these fishes in the marine ecosystem. Feeding habits of the apron ray, Discopyge tschudii from San Jorge Gulf were ...
Hyperapolytic species of Acanthobothrium (Cestoda: Onchoproteocephalidea) from batoids off Argentina
(Elsevier Ireland, 2018-08)
Two hyperapolytic species of Acanthobothrium Blanchard, 1848 have been collected from Discopyge tschudii Heckel, 1846 and Zapteryx brevirostris (Müller et Henle) along the coast of Argentina. Acanthobothrium stefaniae sp. ...
Distribution and reproductive biology of the Electric ray Discopyge tschudii Heckel, 1846 in San Matías Gulf, Northern Patagonia, Argentina
(Sociedade Brasileira de Ictiologia, 2011-10)
The Electric ray Discopyge tschudii is distributed form southern Brazil to Peru. The main threat to this species is fishing. Discopyge tschudii is noncommercial and individuals caught are discarded on board. The present ...
Evaluación de la supervivencia de elasmobranquios capturados por arrastreros de fondo
(Instituto Nacional de Investigación y Desarrollo Pesquero, 2011)
Se evaluó la supervivencia de elasmobranquios a la pesca comercial de arrastre de fondo en el área de Puerto Quequén. A cada ejemplar capturado se le asignó una de las tres categorías (condici6n) que conforman el índice ...