There are three main ocean zones based on distance from shore. They are the intertidal zone, neritic zone, and oceanic zone.May 7, 2021

What are the 3 zones of the open sea?

Open Ocean

  • Epipelagic zone (ocean surface to 200 meters deep). …
  • Mesopelagic zone (200-1,000m) – This is also known as the twilight zone, because light becomes limited. …
  • Bathypelagic zone (1,000-4,000m) – This is a dark zone where water pressure is high and the water is cold (around 35-39 degrees).

How many zones are in the open ocean?

five zones

The ocean is divided into five zones: the epipelagic zone, or upper open ocean (surface to 650 feet deep); the mesopelagic zone, or middle open ocean (650-3,300 feet deep); the bathypelagic zone, or lower open ocean (3,300-13,000 feet deep); the abyssopelagic zone, or abyss (13,000-20,000 feet deep); and the …