Manta Rays feed on various organisms in water and they include bacteria, plants and small animals. They also feed on angelfish and shrimp if they are found within their natural habitat. Full grown up Manta Rays dedicate many hours to the feeding process.
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There are very few natural predators of the manta ray apart from sharks and whales. However, man poses the biggest threat to manta ray, as he hunts them for their meat, skin and oil mostly for commercial gain.
Manta rays will eat a variety of sea life. They eat shrimp, worms, squid, lobsters, snail and even mussels. Manta rays are the largest of the rays and are related closely to sharks.