Sphynx. The Tadpole Pokemon. A Water type.
Sphynx normally live under the water until they evolve, but if you catch one out of the water, make sure to get a picture, because it's possible you'll never see one again.
Sailodon. The Armored Pokemon. A Water type.
With their armored neck, head and sails, Sailodon is capable of knocking over a full grow Ursaring with one Zen Headbutt.
Spinyzard. The Armored Spinosaurus Pokemon. A Water and Dark type.
Spinyzard are known for their quick movements underwater and their fast tails. If you are swimming and see a black sail, get out of the water and run.