A view of the sea

Explore the Mysterious Ocean Twilight Zone

A vast hidden layer of the sea teeming with strange life between sunlight and darkness

The Ocean Twilight Zone begins around 200 meters below the surface where sunlight fades fast

It stretches to about 1000 meters deep filled with ghostly creatures and bioluminescent life

This zone is home to millions of fish that migrate daily in the world’s largest movement

Creatures here glow in the dark using bioluminescence to hunt hide and attract mates

Water pressure in this zone is crushing and temperatures are near freezing

Strange species like lanternfish hatchetfish and siphonophores dominate the twilight world

This zone plays a key role in Earth’s carbon cycle absorbing carbon from the atmosphere

Scientists believe the twilight zone may hold more fish biomass than all fisheries combined

But climate change and deep sea fishing are now threatening this hidden ecosystem

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