Sharks are fighting back.
Another video posted just two days ago - a week after a terrifying video showed a 4 metre long Great White apparently smash through the metal frame of a diving cage - shows another terrifying incident at the Great White Shark hotspot Guadalupe Island in Mexico, news.com.au reported.
Katie Yonker, of Bluewater Dive Travel, took a group to the island, known for its Great White Sharks including a dive master known as Yann, who came face-to-face with the shark.
"Less than half way through the dive a female shark approximately 13-15 feet long approached Yann (who was in the balcony of one of the cages) and he pushed her away from the cage. A few seconds later, the shark bit the air hose that supplies air from the surface to the divers in the cage, creating an explosion of air bubbles.
"Yann noticed an immediate loss of air flowing to his regulator, so he descended a few feet down to turn on the one-way valve from the surface supply hose so that the hookah system would not lose pressure. This was done so quickly that neither David, Katie B., nor I experienced a loss of air.
"While Yann was turning on the valve, the shark swam vertically down into the balcony of the cage, made a sharp turn, and swam right through the bars of the cage. She thrashed around for several seconds and in the process got further lodged into the bars of the cage."
A tourist, who was in the balcony of the cage, descended into the cage to join another tourist and Yonker.
"We stood, gripping the cage in an attempt to stay upright while the cage circled back and forth and at one point was at a 45-degree angle due to the shark's thrashing. Yann's regulator had been knocked out of his mouth by the shark, so he retreated to the surface to catch a breath of air and to tell the crew to bring up the cage.
"I turned on my GoPro just in time to capture the largest shark we had seen, Air Demon AKA "Big Mama," swimming vertically within a few feet of our cage only seconds after Yann had exited the cage and ascended to the surface. Yann descended back down to the cage, with only the air in his lungs - no hookah, to help us exit the cage and make it safely to the boat."
The shark was finally dislodged from the cage when a rope was tied around its tail and the dive master went into the cage and pressed in the shark's gills, which forced her to swim away.
The dive companies have permits to "wrangle" at the surface, where a piece of tuna is thrown into the water and pulled along when the sharks approach.
The submersible cages descend with one bag of fish which entices sharks with its scent, but the sharks are never fed from the bag.