Preview Adult Spinetail Mobula (Mobula japanica) massing in huge schools in the upper Gulf of California (Sea of Cortez), Mexico Image ID: 979-1300 Artist: Michael Nolan Purchase a commercial license Buy framed prints & more from our print store spinetail mobula ray japanica gulf of california sea cortez elasmobranch cartilaginous fish mexico adult spinetail mobula mobula japanica massing huge schools mating upper gulf of california whip like tail sting diagnostic marine group school schooling mate