Manta rays appear a few times during the movie, Moana.
Appearance[]
The manta rays are gray, most of the time, but when Gramma Tala comes back as one, she is blue with designs on her back.
Role in the Film[]
The manta rays are first seen dancing with Gramma Tala. They are swimming in circles around her. Gramma Tala's tattoo is also that of a manta ray.
When Gramma Tala dies, she comes back as a manta ray. As a manta ray, Gramma Tala guides the way for Moana.
At the end of the film, Gramma Tala swims past the boat in her manta ray form.