Ocean ray is a term used to describe a species of ray found in the ocean, specifically the MANTA ray. It is a large species of ray that can grow up to 7 meters wide and weigh up to 2, 300 kilograms. They are found in tropical and subtropical waters around the world and feed on plankton. MANTA rays are known for their graceful swimming and acrobatic leaps out of the water. They are also popular with divers due to their gentle nature and curiosity.