What do the sharks in the giant tank of the Journey on the High Seas exhibition eat? 09 March 2026 11:31 Updated The sharks' menu consists of squid and mackerel, supplemented with vitamins and iodine. Related articles Do the fish eat one another? What will happen when all the animals in Nausicaá reach adult size? Will the animals at Nausicaá be reintroduced into the natural environment? Will there be breeding in the giant tank of the Journey on the High Seas exhibition? Are there any dolphins to be seen at Nausicaá?