Ocean zone
Abyssal Zone
Abyssopelagic · 4,000–6,000 m
Reference answer
A vast, cold region above the deep seafloor, supplied mainly by organic material sinking from shallower water.
LightNo sunlight
TemperatureNear freezing
Pressure at base≈ 601 atm
Defining conditions
- Near-freezing water
- Crushing pressure
- Very limited food except around special habitats
Representative creatures
No creature record in the initial library is restricted to this zone.
Evidence
Sources reviewed
- Abyssal zoneWoods Hole Oceanographic Institution · checked 2026-07-30
- The Deep SeaSmithsonian Ocean · checked 2026-07-30