Results 101 to 110 of about 2,430 (247)
Zoologia (Curitiba), 2010 Ergasilus trygonophilus sp. nov. is described from freshwater stingrays (Potamotrygon spp. and Plesiotrygon iwamae Rosa, Castello & Thorson, 1987) from the state of Pará, Brazil.
Marcus V. Domingues, Taísa M. Marques
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The effect of intermittent cryotherapy on the activities of citrate synthase and lactate dehydrogenase in regenerating skeletal muscle [PDF]
, 2013 This study examined the effect of three sessions of cryotherapy (three sessions of 30 minutes applied each 2 h) and muscle compression in the regenerating skeletal muscle of the rats.
Durigan, João Luiz Quagliotti +4 more
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RECTAL GLAND OF FRESHWATER STINGRAYS,POTAMOTRYGONSPP. (CHONDRICHTHYES:POTAMOTRYGONIDAE)
The Biological Bulletin, 1978 1. Contrary to some reports, a rectal gland is present in strictly freshwater stingrays of South American rivers (Potamotrygon spp.). 2. The gland has the location and histological features of the salt-secreting rectal gland of marine elasmobranchs, but is much reduced in size and number of tubules. 3. Its residual function, if any, is unknown. 4.
Thorson, Thomas B. +2 more
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Zoologia (Curitiba), 2015 Synchronized bipedal movements of the pelvic fins provide propulsion (punting) during displacement on the substrate in batoids with benthic locomotion. In skates (Rajidae) this mechanism is mainly generated by the crural cartilages.
Akemi Shibuya +3 more
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Lista de los peces de agua dulce de la Argentina. [PDF]
, 1987 Lista de peces de agua dulce restringida a la información básica: los autores de géneros y especies, la fecha de descripción, y las referencias bibliográficas a aquellos trabajos que fundamentan las modificaciones o agregados realizados.
López, Hugo Luis +2 more
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Contrasting patterns of individual specialization and trophic coupling in two marine apex predators [PDF]
, 2010 1. Apex predators are often assumed to be dietary generalists and, by feeding on prey from multiple basal nutrient sources, serve to couple discrete food webs. But there is increasing evidence that individual level dietary specialization may be common in
Heithaus, Michael R. +2 more
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Potamotrygon falkneri Castex & Maciel 1963
, 2014 Published as part of The, Stefan Koerber & Only, L'., 2014, List of Freshwater Fishes from Argentina - Update 15., pp.
The, Stefan Koerber, Only, L'.
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Acta Scientiarum: Biological Sciences, 2006 As raias Potamotrygon falkneri e Potamotrygon motoro foram avaliadas em relação à composição de suas dietas e a sobreposição do nicho trófico nos períodos de seca (agosto/2004) e cheia (janeiro/2005) na planície alagável do alto rio Paraná, em três ...
Milza Celi Fedatto Abelha +3 more
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, 2018 XXXII Congresso Brasileiro de Zoologia, Foz do Iguaçu, 2018. Tema: Desafios e perspectivas para a Zoologia na América LatinaCaderno de Resumos de Trabalhos da Área temática Histologia e Citologia, do XXXII Congresso Brasileiro de ZoologiaSociedade ...
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