It protects an important nesting site for birds, and is a refuge and feeding ground for fish including two endangered species of grouper.

[2] The Ilhas dos Currais archipelago consists of the islands of Grapirá, Três Picos and Filhote.

[5] Studies by the Centre of Sea Studies of the Federal University of Paraná almost twenty years before the reserve was formed showed the great importance of the islands for the brown booby (Sula leucogaster) and magnificent frigatebird (Fregata magnificens), which reproduce around the year.

[4] The Ilhas dos Currais Marine National Park is the second conservation unit created in Brazil by federal law, the usual process being by executive decree.

[3] The Ilhas dos Currais Marine National Park was created by federal law 12.829 of 20 June 2013, signed by president Dilma Rousseff.