Lizama, M. de L.A.P., Takemoto, R.M., Ranzani-Paiva, M.J.T., Ayroza, L.M. da S. and Pavanelli, G.C. 2007. Host-parasite relationship in fish from fish farms in the Assis region, São Paulo State, Brazil. 1. <em>Oreochromis niloticus</em&gt; (Linnaeus, 1757). Acta Scientiarum. Biological Sciences. 29, 2 (Dec. 2007), 223-231. DOI:https://doi.org/10.4025/actascibiolsci.v29i2.594.