Nemo is Marlins son and is notably disabled. Nemo right fin is significantly smaller than his left. Nemo hates how overprotective his father is, with him being the last of Marlins children. Nemo one day ventures too far off from the reef because he wants to see different parts of the ocean and gets caught by a dentist. Nemo is put into a tank and makes friends with the fish in the tank. They then all escape and Nemo reunites with his father Marlin.