This one wasn't too hard to think up. I'm starting to like this the water one out of the three starters I made up.

*Flips out Pokedex* Drabubble, the young dragon pokemon. Drabubble is the evolved form of Saladepth. During the winter seasons, Drabubble will sink to deep depths and surround itself with a durable bubble to pretect itself from the cold. It uses it's tail to propel itself, using it's webbed hands and feet to change direction and guide itself through the water.