The epipelagic zone of the ocean is the uppermost level that is closest to the surface. It’s also the most shallow, extending downwards only up to 200 meters (65… See more

The mesopelagic zone is also called the ‘dysphotic’ zoneor the ‘twilight’ zone. Sunlight doesn’t penetrate fully into the water here, so it is much dimmer than the zones abov… See more

The bathypelagic zone is where the pressure is on! This lightless zone of the ocean is also called the ‘aphotic’ or ‘midnight’ zone because it has no light. It extends fro… See more

This zone of the ocean isn’t well studied because it’s simply so hard to get to. Much of what we know about the zone is thanks to sonar and occasional submarine expeditions… See more