Hippocampus

Description
The hippocampus or hippocamp, also hippokampos, often called a sea-horse in English, is a mythological creature shared by Phoenician, Etruscan, Pictish, Roman and Greek mythology, though its name has a Greek origin.

Physical Appearance
The hippocampus has typically been depicted as having the upper body of a horse with the lower body of a fish.

Size
Unknown

Abilities
They are capable of controlling waves to create Tidal Waves and like Water Dragons shoot water out of their mouth.

Weaknesses
Unknown

Behavior and Personality
People believed they pulled Poseidon's chariot, and were often the mounts of nymphs and other creatures of the sea. Hippocamps are a majestic and carefree creature. They bear a personality very similar to that of modern horses.