Eduardo Luis C. Ballester is a Professor and Research Scientist at Federal University of Paraná (UFPR), Brazil. Director of the Research Center of Aquaculture and Sustainable Development - UFPR and Head of the Prawn/Shrimp Culture Laboratory at UFPR. Around 25 years of experience in aquaculture research projects he has created the Aquaculture and Sustainable Development Post-Graduation Program at UFPR. Published over 100 peer-reviewed articles and book chapters on aquaculture, supervised over 100 undergraduate and graduate degree students in aquaculture. His main current projects are use of essential oils as anesthetics and food additives for prawn and use of protein hydrolysates as a source of protein for shrimp and prawn. Has also developed research projects with Biofloc Technology - BFT, shrimp and prawn nutrition and toxicity of of nitrogenous compounds to prawns.