Abstract: The study aimed to investigating and ratings factors affecting the economy of fishing aquaculture using DEMATEL multi-criteria decision-making methods and fuzzy ANP in Chabahar port. The study in term of aim is applied and in term of method is descriptive-analytic. In line with this study, factors affecting 4 resources, environmental conditions, suppliers and related industries and markets have been investigated. The data was collected using a paired comparison and then using the combination of the two DEMATEL and fuzzy ANP rating various factors. The results showed that, environmental factors have ranked first, markets ranked second, reference ranked third and suppliers ranked fourth and related industries in terms of the impact on the economy of fishing aquaculture in Chabahar port.