Peixonauta – Agente Secreto da O.S.T.R.A.

is a 2012 Brazilian animated film directed by Célia Catunda and Kiko Mistrorigo based on the Fishtronaut (Portuguese: Peixonauta) animated TV series.

Fishtronaut prepares for a new adventure, this time to be a Secret Agent of O.S.T.R.A.

(Organização Secreta para Total Recuperação Ambiental, in English "Secret Organization for Total Environmental Restoration"; ostra means "oyster" in Portuguese).

[2] To earn the badge, he must serve seven missions with the help of his friends Marina and Zeek and the whole gang of the Smiling Trees Park.