In the 1970s, an Italian priest sold 12,000 piranhas to Europe; 55 years later, his proceeds have funded 350m bridges and an 800m airstrip on a remote Brazilian island

• An Italian Jesuit priest once turned one of the Amazon's most feared fish into an unlikely source of income for an isolated community.
• His wider work eventually led to the creation of the Museu do Marajó, a museum dedicated to the region's history and culture.
• The story dates to the 1970s, when Gallo arrived in Marajó, a large isla