Silva, Fernanda, and Marcelo Vianna. “Diet and Reproductive Aspects of the Endangered Butterfly Ray Gymnura Altavela Raising the Discussion of a Possible Nursery Area in a Highly Impacted Environment”. Brazilian Journal of Oceanography 66, no. 3 (December 21, 2018): 315-324. Accessed June 27, 2019. http://www.revistas.usp.br/bjoce/article/view/153132.