It is called the ocean.
mumbai
open sea
A ship on its first voyage is called its "Maiden Voyage".Also when first underway to test engines, steering, etc., it is called the vessels "Sea Trial".
The Great Lakes are sometimes called the Freshwater Sea or the Inland Sea, but most of the time they are just called the Great Lakes.
Open Water
In Literature the open sea is traditionally called The Seven Seas
the palegeoic zone
They have no connection to the open ocean.
Pelagic zone<---Nova
The people who drive a ship in the open sea are called sailors or seafarers. They are responsible for operating and navigating the vessel to ensure it reaches its destination safely.
The Dead Sea is also called the Dead Sea.
A shallow body of water that is separated from the open sea is called a lagoon. Lagoons are also commonly referred to as back reefs.
A Bering sea bird is also called an Auk.
archipelago.
The open sea zone is also known as the pelagic zone. It consists of everything in the ocean outside of the coastal areas.
Seismic sea waves are also called a tsunami.
It is called the ocean.