A diver is followed by a giant manta ray as it swims and interacts with him throughout the waters off the coast of Cabo San Lucas, Mexico.

The footage, filmed in December 2017, shows a Giant Oceanic Manta Ray curiously swimming alongside several divers at Roca Partida, around 300 miles off the Mexican coast.

The 4-metre-long manta ray loved having bubbles blown on its belly and according to the filmer: "If I swam too slow the manta would turn back around and come back to me, it was incredible."

Scuba diver and underwater videographer Todd Kortte, swim underneath a 4 meter Giant Oceannic Manta Ray 300 miles off the coast of Cabo San Lucas, Mexico. Mantas like feeling the diver bubble under their bodies. This close encounter with a giant manta gives an unique perspective on an animal once known and feared as the devil ray.

A Giant Oceanic Manta Ray approaches a diver and just stops, stares, and makes an instant connection with scuba diver Todd Kortte. Giant manta rays are intelligent and friendly. They have the largest brain to body mass ration of any fish in the ocean. They have been known to single out a scuba diver and befriend them. That is what is happening in this video. This manta went on to swim with the diver Todd Kortte for 45 minutes until he ran low on air and had to resurface.

A Giant Oceanic Manta Ray swims under a diver at Roca Partida, Mexico. These harmless and intelligent animals were once feared and known as devil rays. Now they are worth multi-millions in eco-toursim.

Giant manta ray makes eye contact with diver at Roca Partida, Mexico! The mantas is this region reach lengths of up to 5 meters in length. Friendly, approachable, harmless, and extremely intelligent.

Close encounter with a 4 meter Giant Oceanic Manta Ray! These friendly mantas are highly intelligent and very graceful in the way they swim. The mantas are being illegally traded on the Chinese black market for their gills. The gills have no proven medical benefits, yet the Chinese still insist on consuming the gills.

Giant Oceanic Manta Ray approach and flies by at Roca Partida, Mexico. Giant manta rays are traded on the Chinese black market for their gills. Even though there is no proven medical benefits to consuming giant manta ray gills, there is still a big demand. Manta rays have no stinger on their tails and have the largest brain to body mass ratio of any fish in the oceans.