Manta Ray Skeleton After looking into what a Manta Ray skeleton actually looks like I found that it doesn't really look much a skeleton in the conventional sense meaning that it wouldn't really communicate properly across the illustrations.
Manta Ray leaping 9 feet in the air off the coast of Costa Rica, Central America // photo by Roland Seitre Solent. 2010 -- click photo for article; "Natural Selection" is a great book about rays developing the ability to fly.
Manta Rays - Angels of the Ocean. Manta rays are listed as a Vulnerable species. They are endangered by getting entangled in fish nets, fishing for use in Chinese medicine, ocean pollution, and low reproductive rates.
A Spotted Eagle Ray, (Aetobatus narinari.) 1 of the largest Eagle Rays: It sometimes exceeds 10 feet, metres) in width & can weigh 400 to 500 lbs, to 227 kgs.) Found in the tropical zones of The Atlantic, Pacific & Indian Oceans.