The spinetail devil ray, also known as the spinetail mobula ray or Japanese mobula ray, is a species of pelagic marine fish which belongs to the family Mobulidae. It is found throughout the tropical and sub-tropical waters of the Indo-Pacific and eastern Atlantic Ocean.

The Osaka Aquarium Kaiyukan is an aquarium located in the ward of Minato in Osaka, Osaka Prefecture, Japan, near Osaka Bay. When it first opened, it was the largest public aquarium in the world.