The Nessie has an oval- shaped and elongated body with a dark green face and neck. It is an aquatic dinosaur that has fins that are of a lighter colour and almost looks like an eel. It is said to resemble the plesiosaur dinosaur.
Nessie's appearance varies from each encounter with the monster. This creature is thought to look much like the plesiosaur from the days of the dinosaurs. You can find more information here: http://en.wikipedia.org/wiki/Loch_Ness_Monster