The Largest Sea Creature Ever | Size Comparison......@@@@@@@@@@besteducationpage

- According to National Geographic, one of the smallest sharks scientists know about is called the dwarf

lanternshark, and they’re an adorable 7” to 8” long.

- The whale shark is not only a massive shark but is the largest known fish species alive, according to National Geographic. An average adult whale shark can grow as long as a school bus!

- Megalodon roamed the ocean a long time ago — oh, about 15.9 to 2.6 million years back between the early Miocene and late Pliocene eras. It could reach anywhere between 45 ft to 60 ft in length with jaws more than 6 ft wide!

- Shonisaurus lived on Earth during the late Triassic Period, about 215 million years ago. These prehistoric reptiles grew to be about 50 ft long and weighed about 60,000 lb!

- Ophthalmosaurus thrived during the late Jurassic period and lived in oceans all over the world. It weighed somewhere around 6,000 lb and grew to approximately 16 ft long.

- Another marine reptile that lived during the Jurassic Period was known as Liopleurodon. A more aggressive marine reptile, these carnivorous sea beasts weighed about 5,000 lb and grew to around 30 ft long.

- Ichthyosaurus only grew to about 6 ft, which would put them at the same height as a guy who was slightly taller than average today.

- The orca, also known as the killer whale, is a toothed whale and can grow to anywhere from 23 ft to 32 ft, which is slightly smaller than a school bus.

- The largest whale that still exists today is the blue whale. If you were to put a blue whale next to a school bus, it would look like it could swallow it.

- The Portuguese man o’ war, tentacles and all, can reach a length of 165 ft long. While this thing may look a lot like a jellyfish, it’s actually known as a siphonophore, and there are hundreds and sometimes thousands of them that are genetically identical.

[Music]

think you know what lurks in the depths

of the ocean well nearly 95% of our

oceans haven't been explored yet it's

not hard to let your imagination run

wild but thanks to brave explorers

deep-sea cameras and awesome

archaeologists we do know about some

pretty incredible sea creatures living

in our waters today and millions of

years ago from the 9-foot spider crab to

the 60-foot prehistoric Megalodon these

sea dwellers come in all shapes and

sizes

sharks thanks to horror flicks like the

Meg and the timeless classic Jaws it's

no secret that sharks are super big and

scary but did you know there are sharks

that could fit right inside the palm of

your hand according to National

Geographic one of the smallest shark

scientists know about is called the

dwarf lanternshark and they're an

adorable adorable seven to eight inches

long at this size it's no surprise that

these little guys are rarely seen which

is why scientists don't know too much

about them they've been observed a

handful of times off the northern tip of

South America and have organs called

photo spores that literally light up

these help them blend in with the

sunlight hitting the water when they

come to the surface looking for prey

while the ocean is home to a shark as

tiny as the dwarf lanternshark it's also

home to the biggest shark of modern

times

the whale shark this creature is not

only a massive shark but is the largest

known fish species alive according to

National Geographic like many whales

this massive shark is a filter feeder

and move slowly in the water an average

adult whale shark can grow as long as a

school bus typically they can grow

anywhere from 33 feet to 40 feet and

sometimes they can reach a whopping 60

feet in length while these sharks have

somewhat smaller teeth and many other

sharks living in the ocean they can't

have a mouth full around 3,000 teeth as

an adult I wonder what kind of

toothbrush they have to use do they

floss but even the whale shark isn't the

biggest shark known to humans if the

entire shark species were a kingdom the

prehistoric Megalodon would be the ruler

of the sea

Megalodon roamed the ocean a long time

ago Oh about fifteen point nine to two

point six million years back between the

early Miocene and late pliocene eras

well they've long been extinct people

are still amazed to learn about these

gigantic sea beasts Megalodon could

reach anywhere between 45 to 60 feet in

length with jaws more than six feet wide

a fossil of a tooth that once belonged

to a Megalodon measured in at 7 inches

needless to say I'm pretty stoked that

these guys have long been extinct Oh

marine reptiles many of the oceans

reptiles existed long before humans

roamed the earth a number of these now

extinct marine reptiles resembled

dinosaurs with scaly skin and Tails they

didn't have gills like fish did and

couldn't breathe underwater there were

five main groups of reptiles that roamed

the sea in the past

Natha saurus plio saurus plio saurus

Athiya sores and Mosasaurus try saying

all those ten times fast

well I don't have enough time to

describe all these prehistoric marine

reptiles there are a few worth comparing

so you can understand their vast

diversity when it came to size

Shauna Soros lived on earth during the

Late Triassic period about 215 million

years ago

shox just missed it archeologists named

them shonisaurus thanks to the fossils

they found near the Shoshone Mountains

in Nevada

after studying their fossils

archeologists believe these prehistoric

reptiles grew to be about 50 feet long

and weighed about 60,000 pounds a t-rex

supposedly rade around 18,000 pounds to

give you a little perspective whoo but

not all marine reptiles were massive

like the shonisaurus meet opted almost

or ik reptile thrived during the late

Jurassic period and lived in oceans all

over the world up Thelma Soros we'd

somewhere around 6000 pounds and grew to

approximately 16 feet long according to

new dinosaurs calm that's about the same

length as the beluga whale that exists

today it's too bad these guys went

extinct before we had a chance to see

them ourselves as their cartoonish wide

eyes and dolphin-like features are

pretty darn cute of course the up vamos

horas evolved over time to become

ophthalmologists or eye doctors that we

know today no that's a lie

just testing you another marine reptile

that lived during the Jurassic period

was known as Leo plura died they are

believed to have been very fast-moving

similar to a great white shark a more

aggressive marine reptile these

carnivorous sea beasts weighed about

five thousand pounds and grew to around

30 feet long with a 5 foot long skull

packed with razor-sharp teeth these guys

meant business

they also had flippers that enable them

to move incredibly swiftly through the

water maybe even swimming as fast as a

shark at around 25 miles per hour

Wow glad I don't have to worry about

these things on my next summer vacation

at the beach one of the smaller

prehistoric marine reptiles also live

during the Jurassic period around 200 to

190 million years ago 'ok theo soros

these guys only grew to about 6 feet

which would have put them at the same

height as a guy who was slightly taller

than average today fun fact about these

guys similar to humans they gave birth

to their young live and not in the form

of eggs and since they couldn't breathe

underwater like other reptile

their babies came out tail first so they

wouldn't drown how thoughtful

whales can you guess which living

species of whale is the largest well

it's not the Orca but that's a good

guess the Orca also known as the killer

whale is a toothed whale and can grow to

anywhere from 23 to 32 feet which is

slightly smaller than a school bus how

about the narwhal no they're not the

biggest either these unicorns of the sea

live mainly in Arctic waters and only

grow 13 to 20 feet in length and that's

including their 9 inch tusks that puts

them at a slightly longer length than

the aforementioned Leo plura died tired

of guessing ok I give in the largest

whale that still exists today is the

blue whale you knew that at a

jaw-dropping 82 to 105 feet the blue

whale is not only the biggest wheel we

know of but is currently the largest

animal to have ever lived on earth

seriously

these animals are bigger than a t-rex

and even the prehistoric Megalodon if

you were to put a blue whale next to a

school bus it would look like it could

swallow it think about that according to

the National Geographic a blue whale's

tongue can weigh the same as an elephant

and their hearts can weight as much as a

car that doesn't even sound possible

it's no wonder these giants need to eat

about 4 tons of krill every day well

there aren't too many animals living

today that can compete with the blue

whales epic proportions

there is an entirely different species

that is a good contender and it's not

quite what you would expect

it's a jellyfish now I'm not talking

about the little jellyfish that wash up

on the shore and ruin a perfectly good

day at the beach I'm referring to the

lion's mane jellyfish the biggest

jellyfish around this invertebrate can

grow up to 120 feet long they also come

in different gorgeous colors like red

purple or even shades of orange

and as if their length wasn't impressive

the lion's mane jellyfish boasts a

whopping eight sets of 70 to 150

tentacles that means they can have up to

1,200 in total holy cow I mean holy

jellyfish and while the lion's mane

jellyfish and the blue whale are yet to

be beaten for the longest sea creature

there is one marine creature that can

grow even larger in length the

Portuguese Man O'War tentacles and all

can reach a length of 165 feet long and

that's according to Mental Floss calm

well this thing may look a lot like a

jellyfish is actually known as a

siphonophore and there are hundreds and

sometimes thousands of them that are

genetically identical their long

tentacles help the organism catch prey

and its sting is fatal to most animals

even humans in some cases what's even

creepier is that if one of the tentacles

comes off the organism for whatever

reason it can float around the water for

days before decomposing even if it's

detached this tentacle can still sting

you but don't go running out of the

ocean just yet your chances of being

killed by a Portuguese Man O'War sting

are pretty slim however if you do get

stung the side effects aren't pretty

with welts stomach cramps and elevated

heart rate and an upset stomach well you

don't want to go anywhere near these

long creatures they sure are pretty to

look at check out all those colors so

which of these sea creatures surprised

you the most give us your thoughts in

the comment section don't forget to give

this video a like share it with your

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bright side

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