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Diet of the chola guitarfish, Rhinobatos percellens (Rhinobatidae), in the Paranaguá Estuarine complex

Overview of attention for article published in Anais da Academia Brasileira de Ciências, May 2015
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Title
Diet of the chola guitarfish, Rhinobatos percellens (Rhinobatidae), in the Paranaguá Estuarine complex
Published in
Anais da Academia Brasileira de Ciências, May 2015
DOI 10.1590/0001-3765201520140121
Pubmed ID
Authors

Wanessa P.D. do Carmo, Hugo Bornatowski, Elton C. Oliveira, Luís L. Fávaro

Abstract

The chola guitarfish, Rhinobatos percellens, is one of the most-captured batoids on the Brazilian coast, and an important predator of benthic community. Stomachs from R. percellens were sampled in the Paranaguá estuarine complex (March/2006 to March/2007 and October/2008 to September/2009). The stomachs obtained were used for describing the diet of R. percellens, and verifying if there are seasonal and ontogenetic differences in their feeding into the estuarine area. The general analysis showed a specialized diet with a predominance of three species in food contents: Leptochela serratorbita, Caridea remains and Ogyrides alphaerostris. Ontogenetic and seasonal analysis did not reveal significant differences in the food consumption. These data reveal that R. percellens is a specialist predator of L. serratorbita, and this food component is consumed by all size classes.

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The data shown below were compiled from readership statistics for 34 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 34 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 7 21%
Student > Master 5 15%
Student > Doctoral Student 4 12%
Student > Ph. D. Student 4 12%
Researcher 3 9%
Other 4 12%
Unknown 7 21%
Readers by discipline Count As %
Agricultural and Biological Sciences 15 44%
Environmental Science 5 15%
Engineering 2 6%
Pharmacology, Toxicology and Pharmaceutical Science 1 3%
Computer Science 1 3%
Other 3 9%
Unknown 7 21%