10 BIGGEST Underwater Creatures In The world!


Do you know what’s under the sea? Do you know what’s really under the sea? And did you know there are creatures of the water that are massive? Join us as we reveal 10 of the biggest underwater
creatures that you probably don’t know exist. 10. Japanese Spider Crab
For starters, let’s think about some sea creatures you’d see on or near a beach. What’s the first thing you see? For me, it’s a crab. They’re always wandering around, and if you’re
not careful, you can step on one, and you’ll regret it…trust me on that. Now, the crab you’re likely picturing is small,
or if you’ve seen shows like Deadliest Catch you’ll know that crab can be large depending
on their species. However, none of them have anything on the
Japanese Spider Crab. Not only is this thing massive, it’s terrifying
to think that this thing actually exists. And it does, it really does. This thing from leg to leg is 12 feet long,
that’s way bigger than any other crab out there. What’s more, it’s actually the largest arthropod
in the world, that’s pretty impressive. But still terrifying. Thank goodness we don’t have to see them very
often because they often live underwater. 9. Giant Clams
When you hear those words, “Giant Clams”, you likely think about a movie you’ve seen,
or a TV show that exaggerated the massive size of these clams. I’m curious though, which one was it for you? Regardless though, Giant Clams are very real,
and they can get very big. in fact, the largest recorded one is 4 feet six inches wide. What’s more impressive than that though is
the fact that the clam is apparently 500+ pounds! That’s heavy. What’s more, they can be found in deep waters
as well as shallow surfaces. Oh, and if you’re one of those people who
fear getting caught in a giant clam…you’re right to fear that. For the sheer weight of the clams’ body coming
down on you will likely make it so you can’t get out without a serious fight. Yes, they don’t grow to the size of regular
human adults, but 4 feet is nothing to mock. Sadly, many species of Giant Clam are endangered,
let’s hope that stops soon. 8. Portuguese Man-Of-War
The sea is truly full of wonders, and because of that, we’re still trying to learn all the
secrets that it holds. Take, for example, the Portuguese Man-Of-War. When you look at it, what species of animal
do you think it is? A jellyfish? A good guess, but that’s actually incorrect. In fact, the Portuguese Man-Of-War is a collection
of organisms that work together to move and act. It’s an incredible feat when you think about
it. As this is a creature that literally has to
work together with thousands of others in order to survive. On their own, every single one of the organisms
would die. The Man-Of-War has another name that should
get your attention, “Floating Terror”, that’s because this is a venomous creature, and getting
stung by it can be not only painful, but fatal in the right amount. Over 10,000 people a year in Australia are
stung by the Man-Of-War. What’s more, the Man-Of-War is a carnivore,
and uses its army of organisms to ensure prey and devour them slowly. Now, why does this fascinating creature make
our list? Well, like a jellyfish, the Man-O-War has
tentacles, and they largest recorded ones have gone 135 feet long. Which is wrong on so many levels. To be fair, that’s the extreme number, the
average is around 30 feet long, but that’s still a lot of reach for a venomous creature. 7. Ocean Sunfish
Sticking with the “oddities” portion of the ocean, let’s talk about the Ocean Sunfish. This creature is affectionately known as the
“Swimming Head”. Can you guess why? That’s right, it’s because it doesn’t have
a tail. If you look closely at it, you’ll see that
it’s literal all rigid, save for its mouth of course. This massive “head” can grow as big as 10
feet long, and tall. Its fins, which are actually how it swims,
can be extended in such a way that it’ll make the creature the same height both length and
width wise. Another thing that makes the Ocean Sunfish
interesting is both what it eats, and what eats it. The Sunfish actually feeds on small jellyfish
of all things. But they also can eat various fish, and even
squids! As for the predators that feast on the Ocean
Sunfish, it’s very limited due to its size. To that end, animals like sharks, orca, and
even sea lions are its most vicious predators. This fish is something else, and that’s probably
why you didn’t know about it. 6. Giant Squid
“Here there be monsters.” Whether on the land, in the air, or in the
ocean, there are tales of massive creatures that roam the waters and have caused havoc
for humans that have gotten in their way. The Giant Squid is most certainly one of them. In fact, many feel that the Giant Squid is
the basis for the legend of the Kraken, which is understandable given how massive these
creatures are. We’re talking 40 feet from the tip of the
head to the end of its tentacles, that makes it the largest Cephalopod in the world. That’s not the only thing of note though. Because of the fact that they reside mostly
in the deepest and darkest waters of the oceans, scientists honestly haven’t had the time or
ability to study them further. Which could mean that there are even bigger
versions of the Giant Squid out there, including the possibility of the Kraken itself truly
existing. …know what? I’m getting freaked just thinking about it,
so let’s move on. 5. Basking Shark
Sharks are famous, and notorious for being some of the most vicious and aggressive creatures
within the ocean. So it might just surprise you to learn that
the Basking Shark is not only the second-largest fish within the ocean itself, but it’s also
one of most gentle sharks in the water. That sounds like an oxymoron, doesn’t it? A massive shark that is gentle. But it’s true, very true, in fact. Despite the Basking Shark growing up to 40
feet long (which is the current record for the species), the shark only eats plankton,
fish eggs, and larvae. That just boggles the mind. What’s more, the look of the creature is very
unique. Its mouth is massive, which you would expect
from a creature this size, but it’s likely that this mouth allows it to get the food
it needs from a wide area. Other things it doesn’t share with its shark
brethren is the fact that they’re actually really slow. To the extent that they don’t try and evade
things coming towards them, including boats. However, this has proven to be a bad thing,
for their slow speed and gentle nature have led to them being hunted in great numbers. Which has led to their population numbers
plummeting in some cases. 4. Whale Shark
So, if the Basking Shark is the second-largest fish in the sea, what’s the first? Well, that would be the Whale Shark, another
creature that sounds like an oxymoron, yet this time works out when you think about it. After all, whales are massive, and this one
definitely qualifies. True, it’s shark nature is downplayed, just
like the Basking Shark, but if we’re focusing on size, this is one creature that lives up
to the name both times. The largest recorded Whale Shark came in at
just under 62 feet long! That’s nearly 10 times my size! Which is another thing that scares me to my
core…I like being the biggest thing around…let’s move on. So yeah, the Whale Shark is massive, but yet
again, it’s a kind creature. It even likes when humans find it and swim
with it. Proving that Whale instincts trump Shark instincts
yet again. And like its Basking Shark brethren, it eats
the smallest of things to survive. In this case, plankton. Nature truly is fully of wonders, isn’t it? 3. Oarfish
Speaking of wonders, let’s talk about one that is so mysterious, so odd, and so rarely
seen that when it first was taken in a picture, people actually thought of as a hoax. We speak of the Oarfish. This is a large fish that is actually the
largest “bony fish” alive. In fact, the largest one found was 36 feet
long. And because of its look, with it being so
slender and lacking in details on its sides, has made many feel that these creatures are
the reasons that tales of “sea serpents” or even dragons were created. Which would make sense to an extent as they’re
all over the world in waters that have temperate or tropical temperatures. However, just because a creature can be seen,
doesn’t mean it will. Remember when I said that the first time it
was seen it was thought of as a hoax? Well, that’s because the Oarfish resides in
areas of the ocean far deeper than most humans dare travel. In fact, some scientists believe that they
live at nearly 3000 feet below sea level. The few times we do see them is when they
wash up dead on shore, which makes you wonder how it got there. Still, it’s not a hoax, that’s for sure. 2. Blue Whale
So, we’ve already talked about the biggest fishes in the sea, but when it comes to mammals,
there is only one candidate, the Blue Whale. In fact, the Blue Whale is so huge, that it
dwarfs many man-made creations. This is a creature that is nearly 110 feet
long! That’s basically an 11-story building, and
it probably weighs as much as that building, if not more! Their average weight is 441,000 pounds. Their hearts alone are the size of cars! Can you hear the awe in my voice? It’s legit, the Blue Whale is a massive and
wondrous part of nature. Which, makes it all the more tragic that these
majestic creatures were almost wiped out because of commercial whaling. Thankfully, humanity wised up, and they put
out a global ban on whaling and were able to get the numbers of the Blue Whales back
to healthy sizes. They’re not out of the woods yet, but they’re
getting closer, and that is something to be thankful for. Here’s a fun fact for you. The “baby” whales? When they’re born, they’re already 26 feet
long and weigh around 8800 pounds. That’s a big baby! 1. Lion’s Mane Jellyfish
When we talked about the Portuguese Man-O-War, we noted that its tentacles reached at their
peak 135 feet long. But noted that this was a rarity. In contrast, the Lion’s Mane Jellyfish averages
a tentacle length of 120 feet. And that’s not including their bodies. Which means that the tentacles alone are bigger
than the biggest creature in the sea via the Blue Whale. That’s extraordinary, and terrifying. Shall I add to the terror? The head of the Lion’s Mane Jellyfish has
been recorded being 7 feet in diameter. Interestingly enough, this jellyfish prefers
colder waters such as the Arctic Ocean and the waters of the Northern Pacific Ocean. Despite their long bodies, they’re not that
powerful in terms of propulsion, in fact, they often rely on the oceans very own currents
to guide them in one place or another. Yet, that doesn’t seem to be a problem in
regards to getting food, for its tentacles have a very wide range. The Lion’s Mane Jellyfish is the largest jellyfish,
and technically the longest creature to reside within the oceans waters. If you see one in the water, do your best
to swim away before its tentacles sting you. You’ll thank me for it later.

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