@article{cantanhêde_castro_gubiani_2007,  title={Biologia reprodutiva de Hexanematichthys proops (Siluriformes, Ariidae) no litoral ocidental maranhense},  volume={97},  ISSN={0073-4721},  url={https://doi.org/10.1590/S0073-47212007000400021},  DOI={10.1590/S0073-47212007000400021},  number={4},  journal={Iheringia. Série Zoologia},  publisher={Museu de Ciências Naturais},  author={Cantanhêde, Geuza and Castro, Antonio C. L. de and Gubiani, Éder A.},  year={2007},  month={Dec},  pages={498–504} }