Mantine is a large, manta ray-like Pokémon with wide fins and two ring-shaped marks on its back. Its back is a dark blue with a jagged outline on its wings. It has a streamer-like tail and long 'antennae'. Two pairs of gills are visible on its gray underside, as well as a pair of beady eyes and a small mouth. Generally, it is pictured with a Remoraid attached to the underside of one wing, much like a cleaner fish. Mantine can fly in the air if it builds up enough speed, in a similar manner to how real-life manta rays breach the surface, and can soar gracefully out of the water. Mantine is mostly docile. It thrives in open seas.