Ing. Jiří Patoka, DiS graduated in year 2011 at the Czech University of Life Sciences Prague. He is a Ph.D. student at the Department of Zoology and Fisheries, Faculty of Agrobiology, Food and Natural Resources at this University now. He has published one article in the proceeding, one certified methodology, three crustacean breeder guides and popular articles about Decapoda crustaceans in journals Aquaristik, and Akvárium - Terárium. He interests about crustacean social behaviour, nature in general and history.