Over 70% of our planet is covered by oceans, holding about 97% of the Earth's water.
Yet, there’s still so much we don’t know about what goes on down there from the hidden habitats to the rarest aquatic species.
However, thanks to modern-day technology, the deepest ocean depth can be explored without us having to dive into the sea ourselves.
YouTuber Odysseas Froilan (@OdiFroilan) has around 6.35k subscribers on his channel and one of his most popular videos shows him dropping a GoPro underneath a cruise ship.
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The camera that was likely attached to a piece of string drifted to the bottom of the ocean floor, capturing life down there.
Since its upload in November 2021, the video has racked up more than 6.8 million views. It starts with daytime footage, where the water is teeming with life and fish of all types.
But things take a creepier turn when the video switches to nighttime.
It becomes a lot less crowded underwater and there's something quite eerie about it. That is until sharks began to come into view of the GoPro camera, with one suddenly darting into view before swimming off quickly.
People have been fascinated by what the camera captured and expressed their disbelief in the YouTube comments.
"I love how naturally curious fish are. Even the barracuda," one person wrote.
"I find it so cute how the fish are all so curious," a second commenter agreed, while a third said: "I love how the fish immediately come to investigate what just dropped in the water."
It seems viewers were particularly impressed by the barracuda, with one saying: "Really loved watching the barracuda mingle with each other and in the schools of other fish so casually.
"They’re always depicted as such brutal & hungry fish, so it’s just cool to see them acting like, well, normal animals."
While fascinating, there’s no denying how ominous it feels.
"This is simultaneously one of the most interesting and terrifying footage I've ever seen. I'm fascinated by the ocean and marine life but you'll never catch me anywhere near any large body of water," one YouTuber wrote.
Another added: "This was way more interesting than I thought it would be. Man there's something primally terrifying about seeing a shark emerge from the darkness like that."
The beauty of YouTube and today's gadgets allows us to explore so much without having to put ourselves in risky situations.