Katak, la pequeña ballena blanca
Katak, le brave Béluga (original)
Starring Émilie Josset, Alexandre Bacon, Yves Jacques, Ginette Reno, Ludivine Reding, Benoît Brière, Martin Drainville, Guylaine Tremblay, Marie-Thérèse Fortin, Mario Saint-Amand
It's a animation and family movie, and has a rating of 6 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Brazil.