The salmon loves to travel. She explains their long journey growing from tiny tadpoles to adult fish making the journey back upstream themselves to lay eggs of their own. I'm a Fish is a series of animated short films which showcases sea creatures from all over the world - and under the water. It's quirky and it's fun! Each episode features a different fish, mollusc or crustacean who presents itself - quirks, tricks, fascinating design features and interesting facts about their habitat and how they survive in such deep, dark and sometimes dangerous places!