1. Faculty of Fisheries and Protection of Waters; South Bohemian Research Centre for Aquaculture and Biodiversity of Hydrocenoses; Institute of Aquaculture; University of South Bohemia in České Budějovice; České Budějovice Czech Republic
2. Department of Aquaculture; Dunarea de Jos University; Galati Romania
3. Station experimentale d'aquaculture; IFREMER; Palavas les flots France