The GP is technically correct. By volume much of the ocean is practically a wasteland because of the oxygen minimum zone [1]. A few animals like vampire squid a

The GP is technically correct. By volume much of the ocean is practically a wasteland because of the oxygen minimum zone [1]. A few animals like vampire squid are adapted to this zone but for the most part, the vast majority of ocean life is found in the top and bottom most layers. [1] https://en.wikipedia.org/wiki/Oxygen_minimum_zone https://en.wikipedia.org/wiki/Oxygen_minimum_zone