Open sea-Deeper down
The deepest that the sea goes is 11km deep. The giant squid has the biggest eyes of any animal. The largest animal that is in the deep sea is the Greenland shark it grows up to be 7 MILES LONG! over 60% of the earth is covered in water. The deep sea is the largest habitat in the world. Most of the sea is cold,dark,and deep. The deep sea is also called the twilight zone.
These are some animals that live in the deep sea
Pacific viper fish
Fragile pink sea urchin
Deep sea brittle star
Deep Sea Creatures - Nature's Microworlds - Episode 11 Preview - BBC Four