It stops where sunlight can't reach!
openwater breif
The aphotic zone is formally defined as the depth beyond which less than 1% of sunlight penetrates.
the depth of the dark zone
neritic zone
PADI and most other agencies recommend the limit be 60'.
it is the open ocean. it is everything
200-300 meters
the bathyal zone
The open sea zone is a zone in the ocean that has a depth of 200 meters and has over ten species of animals.
The zone is the bathyal zone.
The surface zone
The hadal zone is the deepest zone it is deeper than the abyssal by alot. The abyssal zone only reach 4,000 miles in depth the hadal zone can reach 6,000 miles to 7,000 miles in depth.