The abyssal zone or abyssopelagic zone is a layer of the pelagic zone of the ocean. The word abyss comes from the Greek word ἄβυσσος, meaning "bottomless". At depths of 4,000–6,000 m, this zone remain
A dense gathering of Rimicaris hybisae shrimp at the Beebe Hydrothermal Vent Field in the Mid-Cayman Rise. The shrimp are almost entirely blind, surviving at the interface of cold, deep seawater and supercritical hydrothermal fluid.
The bathypelagic zone or bathyal zone is the part of the open ocean that extends from a depth of 1,000 to 4,000 m below the ocean surface. It lies between the mesopelagic above and the abyssopelagic b
Champagne vent, a hydrothermal vent on the Northwest Eifuku seamount.