@article{luz_okada_1999,  title={Diet and dietary overlap of three sympatric fish species in lakes of the upper Paraná River floodplain},  volume={42},  ISSN={1516-8913},  url={https://doi.org/10.1590/S1516-89131999000400009},  DOI={10.1590/S1516-89131999000400009},  number={4},  journal={Brazilian Archives of Biology and Technology},  publisher={Instituto de Tecnologia do Paraná - Tecpar},  author={Luz, Karla Danielle Gaspar da and Okada, Edson Kiyoshi},  year={1999} }