The term 'Big Ray in the Ocean' is a reference to the MANTA Ray, a large species of ray found in tropical and subtropical oceans around the world. MANTA Rays are the largest species of ray, with some individuals reaching up to 7 meters in width. They are filter feeders, meaning they feed on plankton and other small organisms. MANTA Rays are also known for their intelligence and social behavior, often seen in groups or pairs.