Great white shark lair in Pacific Ocean discovered by scientists

Mysterious Great White Shark Lair Discovered in the Middle of the Pacific Ocean

The sharks leave the void in the summer and return to coasts.

Initially believed to be a "blank barren" stretch of the Pacific, the area between Baja, Calif. and Hawaii is home to the legendary predator in its off-season.

What particularly confused scientists was why sharks were swimming huge distances.

The white sharks swim up and down an area of ocean known as the "mid-water zone" with depths ranging from 660 feet to several miles to feed on these light-sensitive creatures like squid and phytoplankton.

By a joint expedition by Stanford University and the Monterey Bay Aquarium found that the shark lair had plenty of grub to go around. However, the discovery is puzzling the researchers as they still don't know whether the sharks are there for food or to breed.

During the autumn of 2017, researchers used equipment to monitor the sharks' movement and discovered that some white sharks in that region between California and Hawaii, in the Pacific Ocean, were taking abnormally deep dives, up to 3,000 feet under the water.

Researchers now hope to investigate the area further.

"It's the largest migration of animals on Earth-a vertical migration that's timed with the light cycle", Salvador Jorgensen, a research scientist at the Monterey Bay Aquarium, told SFGate on Tuesday. They were exploring a patch of ocean that seemed desert-like, except that great white sharks were creating a lair there each winter after leaving food-abundant waters near the US and Mexico.

He added: "What we've learned through the progression of our research is that this mid-water layer is extremely important for white sharks".

Scientists only have a very limited understanding of the region, due to its remote location.

Years ago scientists nicknamed the area the "shark café", assuming the remote area in the Pacific might be particularly important for breeding or feeding. So, the team tagged three dozen white sharks with satellite pop-up trackers and followed them out to sea during their April migration.

"We now have a gold mine of data".

She added that it would "help us better understand the persistence of this unique environment and why it attracts such large predators".

Squid-eating bigeye tuna, blue sharks and mako sharks are also said to be regulars at the shark cafe. Accordingly, the males were moving up and down in a kind of a V-shape and swam in the formation for about 140 times on a daily basis.

Algae such as these, along with the larger animals observed like schools of fish and jellyfish, together seem like the lair is a lot more biologically productive than what the researchers expected, says the Institute.

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