There is no official name for it in the ancient records, it has come to be named Atlantis over time.
Named after the legendary city that supposedly sank to the bottom of the sea and still prospers there.
Poseidon's first and foremost home is Olympus and he is said to return there on the solstices to council with the other Gods on the state of the world.
Rhea
Poseidon's symbol is the Trident.
poseidens son
plankton (I'm guessing)
In Greek myth, it is with Poseidon.
He had different symbols, but one of them was a trident
An underwater bubble blower.
Areas of underwater ground are called seabeds or ocean floors.
Hades, Zeus, Hera, Demeter, Hestia.
Underwater sound detecting systems are called hydrophones. These devices are used to listen to and record sounds underwater, such as those produced by marine animals or underwater activities.
An underwater bomb is called a 'depth charge.
Being completely underwater is referred to as being submerged.