@article{cacho_yamamoto_chellappa_2007,  title={Mating system of the amazonian cichlid angel fish, Pterophyllum scalare},  volume={67},  ISSN={1519-6984},  url={https://doi.org/10.1590/S1519-69842007000100022},  DOI={10.1590/S1519-69842007000100022},  number={1},  journal={Brazilian Journal of Biology},  publisher={Instituto Internacional de Ecologia},  author={Cacho, MSRF. and Yamamoto, ME. and Chellappa, S.},  year={2007},  month={Feb},  pages={161–165} }