How deep can humans and animals survive in the ocean?

1. How deep can animals live in the ocean?
2. Can animals live in the deepest parts of the ocean?
3. Which animal can survive in the deepest zone of the ocean?
4. How deep can humans go in the ocean?
5. How do creatures survive in the deep sea?
6. Could there be unknown creatures in the ocean?
7. What happens when a deep sea fish is brought to the surface?
8. Why are deep sea fish not crushed by pressure?
9. Could there be monsters in the ocean?
10. How dark is the bottom of the ocean?
11. Are sharks in the middle of the ocean?
12. Is there a bottom to the ocean?
13. How much of ocean have we explored?

How deep can animals live in the ocean?

Ideally, high pressure in the deep sea should crash the sea creatures. But, the incredible fact is that many marine and fish species survive even at the highest possible pressure found as deep as 25,000 feet below the sea surface.

Can animals live in the deepest parts of the ocean?

At the deepest point in the ocean lives a fish that is pink, slimy, and looks a bit like an oversized tadpole, up to a foot long. In the Mariana Trench—7,000 meters below the ocean's surface—these fish makes a living in total darkness and at crushing pressures that can reach 1,000 times more than at sea level.

Which animal can survive in the deepest zone of the ocean?

Of the cephalopods, Dumbo octopuses (Grimpoteuthis) are currently thought to be among the deepest-dwelling. Species have been discovered between 400m and 4,800m below the surface of the waves inviting further study into how these rarely glimpsed gelatinous creatures live in such varying depths.

How deep can humans go in the ocean?

The deepest point ever reached by man is 35,858 feet below the surface of the ocean, which happens to be as deep as water gets on earth. To go deeper, you'll have to travel to the bottom of the Challenger Deep, a section of the Mariana Trench under the Pacific Ocean 200 miles southwest of Guam.

How do creatures survive in the deep sea?

First off, the deep ocean is dark because sunlight can't penetrate very far into the water. Many animals make their own light, called bioluminescence, to communicate, find mates, scare predators, or attract prey. ... Most animals cope with this by being very small and needing less to eat or by growing very slowly.

Could there be unknown creatures in the ocean?

But scientists believe the world's oceans are still hiding giant underwater creatures which have yet to be discovered. Marine ecologists have predicted there could be as many as 18 unknown species, with body lengths greater than 1.8 metres, still swimming in the great expanses of unexplored sea.

What happens when a deep sea fish is brought to the surface?

The gas-filled swim bladder of deep sea fish is under so much pressure in the deep sea that when brought to the surface too rapidly, and therefore relieving the enormous pressure, it explodes.

Why are deep sea fish not crushed by pressure?

Under pressure

Fish living closer to the surface of the ocean may have a swim bladder – that's a large organ with air in it, which helps them float up or sink down in the water. Deep sea fish don't have these air sacs in their bodies, which means they don't get crushed.

Could there be monsters in the ocean?

They can be slimy and scaly and are often pictured threatening ships or spouting jets of water. The definition of a "monster" is subjective; further, some sea monsters may have been based on scientifically accepted creatures, such as whales and types of giant and colossal squid.

How dark is the bottom of the ocean?

After the aphotic zone, there's complete darkness. From 1,000 meters below the surface, all the way to the sea floor, no sunlight penetrates the darkness; and because photosynthesis can't take place, there are no plants, either.

Are sharks in the middle of the ocean?

They are found in just about every kind of ocean habitat, including the deep sea, open ocean, coral reefs, and under the Arctic ice. Wherever they live, sharks play an important role in ocean ecosystems—especially the larger species that are more “scary” to people.

Is there a bottom to the ocean?

But reaching the lowest part of the ocean? ... In the Pacific Ocean, somewhere between Guam and the Philippines, lies the Marianas Trench, also known as the Mariana Trench. At 35,814 feet below sea level, its bottom is called the Challenger Deep — the deepest point known on Earth.

How much of ocean have we explored?

According to the National Ocean Service, it's a shockingly small percentage. Just 5 percent of Earth's oceans have been explored and charted – especially the ocean below the surface. The rest remains mostly undiscovered and unseen by humans.