Small submarines Ali, Beibei and Little Shark Mei Shark. According to the information released by official website in Finding Nemo, it is known that the photos taken by the two submarines of Finding Nemo are small submarines Ali, Beibei and Little Shark Mei Shark with a fresh blue background. Finding Nemo was directed by Bao Dorset, written by Cindy McKay, and voiced by Li Xi, Chen Jianjian, Bird, Gao Liang and Li Ni. The film tells the story of the deep-sea adventure of two small submarines, Ali and Beibei.