Mobula is a genus of rays in the family Mobulidae that is found worldwide in tropical and warm, temperate seas. Some authorities consider this to be a subfamily of the Myliobatidae. Their appearance is similar to that of manta rays, which are in the same family, and based on genetic and morphological evidence, the mantas belong in Mobula.

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.