Maciel, Hévea Monteiro, Maria Gercilia Mota Soares, and Luiza Prestes. 2011. “Reproduction of Piranha Serrasalmus Spilopleura Kner, 1858, on the Floodplain Lakes, Amazon, Brazil”. Biota Neotropica 11 (2). Sao Paulo, Brazil. https://www.biotaneotropica.org.br/BN/article/view/787.