@article{kullander_ferreira_2005,  title={Two new species of Apistogramma Regan (Teleostei: Cichlidae) from the rio Trombetas, Pará State, Brazil},  volume={3},  ISSN={1679-6225},  url={https://doi.org/10.1590/S1679-62252005000300003},  DOI={10.1590/S1679-62252005000300003},  number={3},  journal={Neotropical Ichthyology},  publisher={Sociedade Brasileira de Ictiologia},  author={Kullander, Sven O and Ferreira, Efrem J. G.},  year={2005},  month={Jul},  pages={361–371} }