Shark

Shark is the UMA that embodies sharks.

Appearance
Shark's appearance remains unknown.

Personality
Shark's personality remains unknown.

Union Arc
It is mentioned as one of the rules added by Apocalypse as punishment for Fuuko passing quest as part of her plan to save the Negators.

Abilities
Shark's abilities remains unknown.

Trivia

 * Shark ranked 57th in the Third Popularity Poll. (in a tie with Acks and UMA Burn.)