Scientists Explored Underwater Mountains in the Indian Ocean And Found 149 New Species

Did you know there are underwater mountains in the Indian Ocean where scientists are still finding animals nobody has ever documented before?

Researchers exploring remote seamounts around Australia’s Christmas and Cocos Islands just revealed an incredible haul: 149 species believed to be new to science.

And somehow, that wasn’t even the strangest thing they found.

Welcome to a World 17,000 Feet Down

Scientists explored a series of volcanic mountains rising from the deep seafloor, sending equipment down as far as 5,431 meters, or nearly 18,000 feet.

Down there, sunlight is nonexistent, pressure is enormous and food can be incredibly scarce.

Life apparently doesn’t care.

Researchers documented everything from black corals and sea cucumbers to worms, barnacles and bizarre deep-sea fish. Among them were 149 species that scientists believe had never been identified before. 

That’s 149 new reminders of how little we actually know about what’s living at the bottom of the ocean.

Then They Found the Shark Tooth Graveyard

One location was so unusual that researchers gave it a name: the Shark Tooth Graveyard.

Scattered across the seafloor were roughly 1,000 shark teeth.

Some belonged to modern species.

Others stretched back millions of years, creating a record of more than 22 million years of shark evolution sitting together on the ocean floor.

It’s basically an underwater time capsule.

Why So Much Life Around Underwater Mountains?

Seamounts might look like isolated bumps on a map, but they can become hotspots for marine life.

Their steep slopes interact with ocean currents, helping move nutrients through the water and creating habitats for animals that might otherwise have very little solid ground to live on.

The problem is that many of these places have barely been explored.

The deep Indian Ocean in particular remains far less studied than comparable regions of the Atlantic and Pacific.

Which means 149 new species might only be the beginning.

Why It Matters

Finding a new species is exciting.

Finding 149 of them during one expedition is a pretty good indication that we’ve barely opened the door.

These ecosystems are also facing growing pressure from warming waters, fishing, pollution and interest in deep-sea mining, making it increasingly important to understand what’s actually living there before those habitats change. 

Nearly 18,000 feet down. No sunlight. Crushing pressure.

And apparently an entire neighborhood of animals we’d never met before.

The deep ocean keeps making one thing very clear:

we have a lot more exploring to do.

Sources: Mongabay