Fuka

Fuka (フカ) is a Great white shark and No. 6 of the Ushimitsudoki Aquarium.

Appearance
When transformed, the red gums become his head with narrow eyes. His fins become long arms and the fingernails on his hands are serrated like his teeth. He wears black shorts with a shark teeth-like belt.

Trivia

 * His name Fuka (鱶, ふか) is another word for shark.