The Indestructible Deep Sea Snail

Deep in the Indian Ocean, scientists have discovered a snail whose feet are covered in iron scales, making it look virtually indestructible. But how it builds these scales is still a bit mysterious to scientists. Join Olivia Gordon for a new episode of SciShow!
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Sources:
academic.oup.com/mollus/artic...
www.researchgate.net/publicat...
science.sciencemag.org/conten...
www.iucnredlist.org/species/1...
www.sciencedirect.com/science...
www.pnas.org/content/107/3/987
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Images:
en.wikipedia.org/wiki/File:Ch...
en.wikipedia.org/wiki/File:Ch...
en.wikipedia.org/wiki/File:Th...
commons.wikimedia.org/w/index...
en.wikipedia.org/wiki/File:Ch...

[@SciShow]

Go to Brilliant.org/SciShow to try out Brilliant’s Daily Challenges. The first 200 subscribers get 20% off an annual Premium subscription.

[@wzrd6910]

You mean slugma?

[@spikethedragon341]

Escavalier is already bug/steel snail.

[@arcangellord5372]

If we could manipulate genes well enough then maybe in future humans can have bones made from more stronger materials.

[@c10gamer23]

I’m the 99th person to like this comment.

[@thecommenter578]

Are these the snails fighting knights in medieval paintings?

[@proxy90909]

It all checks out now...

[@gabriel300010]

Oh yes, its all coming together now

[@MtnTow]

Ahhh, now we know!

[@matty9460]

They once tried to invade the land and establish a colony above. For millennia they had prepared their army. Their strongest grew to be the size of a man with shells hard as steel. But despite initial success attacking defenseless unprepared towns humanity rallied its best knights to fight the molluscan menace. Many died but ultimately humans were victorious, sending the snails retreating back to the deep. Their sacrifice would be immortalised in paintings, only to end up becoming a meme

[@user-jg4ns7pn6c]

Its all makes sense now!

[@nxtech201]

My strep throat needs to step up its game and start providing me some nutrients. Freeloaders...

[@aubreyackermann8432]

Maybe you need to feed it boiling sulfur solutions first...

[@crystalm4324]

Lol - lozenges up from one sore throat to another!

[@MisterManDuck]

Literally the most metal mollusc.

[@andrewgan557]

heavy metal snail

[@boarder6246]

Heavy metal snacket

[@godzilla_fan_13]

Hehe

[@Chobaca]

👌

[@DeepFleeceheart]

Hey, I used to play bass for Metal Mollusk!

[@OctorokSushi]

"Here's this awesome creature you've never heard about! It can even teach us stuff!" OH wow! What an awesome creature I've never heard about! It can even teach us stuff, amazing! "Unfortunately it's on the endangered species list as its habitat is profitable to destroy, so it could be wiped out before we learn the things" oh. Every. Single. Time.

[@jacksonpercy8044]

This is probably the reason why ancient civilisations were as advanced as they were, because they actually observed and learned from nature instead of just bulldozing and contaminating it.

[@EvonixTheGreatest]

@@jacksonpercy8044 they weren't and they did, atleast for the most part ancient civilizations weren't more socially advanced than us and often did damage to the environment depending on their tech level. For example Easter Island and how most megafauna went extinct after humans showed up. It's just now with more power and knowledge but not more wisdom our flaws can do far more damage. Of course there are notable exeptions but the majority of ancient civilizations had variations on modern day flaws or were conquered by ones who did.

[@jeanalton7369]

Exactly. Every time. Sad, huh.

[@pattygiron-jones6930]

Yeah humans are trash

[@shareyour3dprints966]

@@EvonixTheGreatest not true ... check out Tartarians (Free energy)

[@martianastronaut4917]

Cant wait for the pokemon developers to find out about this snail

[@OpsFox245]

You mean shelmet? Pokemon #616, the snail pokemon released in September of 2010. Its trivia even notes that it may be based on the scaly foot snail.

[@Trollolling]

Get your poke balls ready

[@pf2253]

Wait til u meet my homie magcargo.. 2007

[@KimFareseed]

@@pf2253 You mean from the GSC games? They may have been more commonly found in the RSE games, but that wasn't their first appearance.

[@yorusuyasoul69420]

HP +1200 HP REGEN +50 ARMOR +100 Damage Reduction 30% Movement Speed +75

[@eightballsidepocket]

According to Wikipedia, large scale mineral mining the sea floor started in 2017. So, in 2 years we have already managed to threaten extinction of an animal. That does not bode well.

[@boofmcgoof1534]

When we put our best minds to it,there's nothing we can't ruin or destroy...

[@kylestanley7843]

@@boofmcgoof1534 it's far easier to break something than make something, ecologically speaking. 'Tis unfortunate.

[@dtaggartofRTD]

part of this is the limited range of the animal. it doesn't take a large operation to potentially compromise a large portion of the habitat. Not to say that Humans aren't bad about controlling side effects, but hydrothermal vent species are just particularly vulnerable to any change in ecosystem.

[@dynamicworlds1]

@@kylestanley7843 that's not just an ecology thing. That's pretty much universal.

[@abycherish5810]

Why r u citing wikipedia? Use something more credible

[@kanserthecrab899]

This snail has Iron Armor with “Curse Of Binding”

[@USSAnimeNCC-]

Them snail need a totem or undying to remove that too bad their too slow

[@wellwelp313]

Lol wut.

[@sharanv9182]

@@wellwelp313 A typical rpg minded commenters

[@LordPoshnameVonPlumbingparts]

+15 resistance -5 agility

[@SrgtBarney]

Deathrule 14 but does it have Luck of the Sea?

[@OMalleyTheMaggot]

Iron Snail sounds like a cool band name

[@kevinqwen221]

Preferably Heavy Metal

[@abiyyupanggalih854]

lol nice

[@ganzorig4143]

metal slug

[@tiggy7777]

irons nail

[@imaverywhere6252]

If Gary had an iron shell, he would win the snail race not Rocky. He would win the Iron Snail

[@USSAnimeNCC-]

Black Sabbath Iron snail intensifies

[@FizzySugarStar]

And the winner is Rocky!!!!!!

[@TheCimbrianBull]

Meow! 🐌

[@absolstoryoffiction6615]

There was an episode where Gary got a metal shell... But Spongebob broke it.

[@johncabahug5449]

Hahhaaha sNAILED it!

[@Spidey_Knight]

So this is the Tony Stark of snails!

[@Gooberpatrol66]

*black sabbath starts playing*

[@Biomechanoid29ah]

Even with the right color, pyrite is gold...

[@vedhansarvesh9527]

*Discovers a new species* Humans: WOW! They're so fascinating! *Disturbs their habitats* Humans: I can't believe they're endangered!

[@netuzer5895]

Now I know where the name "Metal Slug" came from.

[@poodlescone9700]

Tony Stark: builds iron armor in a cave. Snail: builds iron armor at the bottom of the ocean in a hydrothermal vent.

[@evilsharkey8954]

Why the Hell is anyone mining active hydrothermal vents when there are plenty of dead vents with all the same minerals around them?!

[@thecommenter4629]

I thought a similar thing. It's like there is no ecosystem we won't demolish for profit.

[@ribbitgoesthedoglastnamehe4681]

Why the Hell? Hydrothermal sulfur..... Maybe the answer is in the question?

[@rustywells8756]

Live vents are easier to find?

[@Jaws10214]

Location location location.

[@richoleeplazo5755]

@@rustywells8756 yep

[@UGMD]

So they are a bunch of shelmets? Come on! Think of a new idea snails!

[@laurieparis2203]

YouGottaMineDeep ha! Seriously the scientists who named them should have worked “shelmets” into the official name... 😆

[@hyakushiki4406]

that sounds like a pokemo- oh it is a pokemon

[@KitsukiiPlays]

GROW BETTAH!

[@saradanhoff6539]

Shelmet was based on them. XP

[@UGMD]

Sara Danhoff Probably

[@rebelliousnature4795]

Ah, a real life Wolverine, except a metal “Exo” Skeleton.

[@justintime970]

Iron Man would be the logical comparison...

[@135christian1]

Iron man the person you're thinking of is iron man

[@DemitriVladMaximov]

More like Colossus than Wolverine.

[@cathipalmer8217]

Truthfully, your body runs on electricity and your skeleton is made of metal. How cool are you?

[@anonymousmonkey9491]

god dang it, I was 5 hours late.

[@adrianortega1431]

Thanos: I am inevitable! Scaly-foot snail: And I am Iron Snail.

[@Advocate_INFJ]

No

[@JesusChristDenton_7]

@@Advocate_INFJ Rip and Tear time.

[@tristanrodriguez4880]

I AM IRON SNAIL! 🐌

[@BoomBoomBrucey]

Snail discovered. 17 years later snail endangered because humans. 👏 Well done humans.

[@mustard4762]

Also humans: Who would do such thing?!

[@amiracle1269]

Yep some Billionaires delicacy....SOON🤷🏾‍♂️

[@timsullivan4566]

FORGET chain-mail 'cause Snail-Mail armor has arrived!

[@nothingshouldbewithouteffort]

Fascinating. Mad respect and admiration for ecosystems around hydrothermal vents.

[@indridzero7742]

Essentially, we can acquire the mutant ability of Colossus.

[@obi-wankenobi5926]

Mistake at 1:46 Beavers have iron compounds in their four front teeth ( The incisors) which are part of their skeleton.

[@madisonking8057]

And humans have iron in their bone marrow

[@ExtremeMadnessX]

Actually, teeth are not bones. But yes, also reason why their teeth are orange.

[@MtnTow]

I didnt know that and wondered why the coloring in skulls ive found. Ty!

[@obi-wankenobi5926]

@@ExtremeMadnessX The skeletal system consists bones, teeth and a network of other structures that connect the bones together. While teeth are not bones they are still part of the skeletal system. It is actually a common misconception that the skeleton consists only of bones.

[@ExtremeMadnessX]

@@obi-wankenobi5926 I thought about teeth more like a part of digestive system, but this also make sense.

[@slappy8941]

I wanna see an anime of _Full Metal Mollusk._

[@josephkoester3217]

He'd better beware of the 7 deadly swims

[@evilsharkey8954]

It’s not that great. The pacing is really slow, and the dialog is lacking.

[@evilsharkey8954]

LagiNaLangAko23, Shellphonse Elric was pretty cool, though. The molted crab carapace was much more animated than most of the other characters.

[@joannamysluk8623]

Full Metal Snailchemist.

[@lmcxii8922]

Who came here from the Hank Green video

[@neonspecter2730]

If there's iron in the water and their shells and scales are 'slightly magnetic' wouldn't that be the method they use to collect the iron?

[@truck6859]

More of nature's miracles.

[@PCB389]

No, their shells and scales and slightly magnetic because the iron, not because of the snail itself.

[@Tax_Collector01]

This is pretty metal, not gonna lie.

[@poweroffriendship2.0]

*_The new sequel of Turbo The Snail looks great..._*

[@lukasjacob3721]

That's what i thought too!!!! 😂😂😂

[@ats091300]

Anyone here bc hank green is tired of us?

[@MinkSquared]

Oh look, another species which is screwed because of humans

[@PastaPerpetrator]

Forget Metal Slug, Iron Snail is my favorite

[@katiekane5247]

Immediately my mind sees an Ozzie Snail singing "I am Iron Snail"!

[@cybo_vampire9145]

What a coincidence. Today, I literally went out to a local pond to get pond snails to add to my biodome, and here's this video talking about snails...

[@mattakudesu]

Why would you make poor, innocent snails watch that terrible movie?

[@CHAD-RYAN]

Biodome or ecosphere

[@robinhyperlord9053]

That is cool.

[@frankschneider6156]

Jonathan Green To protect its life from the French ?

[@eyeofthepyramid2596]

THE BIG BROTHER IS WATCHING 👁👁

[@TheRealGuywithoutaMustache]

Looks like Gary has been working out

[@Deloreon]

He's been pumping iron

[@pauliusUwU]

If he was created in the souls universe.

[@SourPeachHeart]

More like the perfect snack for Gajeel!!!

[@paulthe2mikolajdupontsrens586]

An iron snail? Must be what iron man is working on his new project.

[@limiv5272]

I don't know how to tell you this. You might want to sit down. Ready? Okay, so... Tony Stark is dead

[@Lolibeth]

@@limiv5272 amazingly...the comics also exist and he's back from the dead again

[@limiv5272]

@@Lolibeth I was being funny, don't ruin it

[@CiberChimera]

A weapon to surpass Metal Gear😱🐌

[@paulthe2mikolajdupontsrens586]

Limi V oh my God!!!!!!! I can’t handle this cold hard fact. Why nobody told me this earlier??????!!!!!!!!

[@garysarela4431]

New snail species reported in 2001. Seventeen years later they are endangered due to mining company activity.

[@Vlado709]

I didn't know we are mining the thermal vents. The vents are one place where most probably the live on this planet originated from. Humans have no respect for anything. The greed will destroy humanity.

[@emperorSbraz]

aha! SNAIL METAL! the metal genre we all missed. edit: BOIS WE'RE ALMOST AT 666 LIKES! edit2: aaah dang we overshot. :3 edit3: YES YOU METAL LEGENDS 666 LIKES!

[@USSAnimeNCC-]

Gary: I'm am iron snail SpongeBob: Had he lost his mind can he see or is he blind can move at all or if he try will he fall

[@vonfunk9523]

the polar opposite of speed metal.

[@lordgarion514]

We didn't miss it. It just got here. 😁

[@CosmicErrata]

Find your favorite metal song and play it at half speed.

[@TheCimbrianBull]

Meow! 🐌

[@soggycarpet3792]

I like how when she's done explaining her perspective while the end of every sentence she states ends on the same inflection.

[@francoislacombe9071]

"No other animal is known to incorporate iron in its skeleton" I can think of at least one, the beaver, who incorporates iron in its teeth. It gives them a characteristic rust color and makes them ultra hard so the animal can gnaw through hard wood with ease.

[@anthonytoliver5166]

Shout out to hank for plugging the info on the volcano snails

[@Toastmaster_5000]

What really surprises me is how more living things _haven't_ used high amounts of iron for protection or a skeleton. Iron is highly abundant, and strong. Of course, there's a bit of a challenge with it being oxidized, but clearly that hasn't hindered this snail.

[@ambergris5705]

To be fair though, there's not a lot of oxygen at the bottom of the sea, so the oxidisation will be much slower. So this snail has the perfect iron-rich oxygen-poor environment in which it can build iron armour, not every creature does

[@richardbidinger2577]

When I saw the thumbnail, I thought this was going to be about some fossil discovery, not an actual living snail. Nature makes some crazy stuff. 🐌

[@Alex-fn2hl]

I. Am. Iron. Snail.

[@jazminaguilar9714]

Anyone here from Hank Green? 😁

[@xenos_n.]

*learns about cool new animal* ... *humans immediately extinct it*

[@jebosamvasjako]

It's not like people are going out of their way to make an animal extinct, it's a side effect of mining. It's not right, but it's not on purpouse as well.

[@jebosamvasjako]

@@user-ef5pk8ck5v What type are you then?

[@shatpostsupplier1570]

That snail is absolutely metal

[@jaquessiemasz8650]

Nature is freaking incredible. Always teaching us something new!

[@obey6LK]

HANK GREENS TIKTIK BROUGHT ME

[@post-leftluddite]

Figures... Wipe out another species so people can have their precious iPhones

[@megsinzoa7424]

What are you talking about? There are plenty of expendable africans available.

[@martianastronaut4917]

Nature proving once again that superpowers exist

[@akumaking1]

The Iron-Shelled Snail seems more like something from Final Fantasy or Monster Hunter.

[@crystalm4324]

Scientists find something utterly amazing and new in possibly the harshest places on earth that is actually thriving with life humans have never seen before. New discoveries every single dive. Corporations - how can we make money off destroying it? It’s the age old story.

[@johnny-james]

This is so cool! Do they accumulate their "armor" more quickly as they gain in magnetic properties? Is this growth exponential? Cool!!

[@jhnyjoejoe69]

This is what a Lv. 100 snail looks like.

[@HeatMyShorts]

Whoa! Is this channel always this listenable and awesome? New subscriber here!!

[@clueless0steve]

Toph??? is that you?! .... god damn Metal Benders....

[@jeremybyington]

Deep in the Indian Ocean a teenage snail was just minding his own business when suddenly it was bitten by a radioactive spider. Suddenly, all of the iron particulates floating around him began aggregating on his shell and now he is known as the Iron Snail. What a great origin story.

[@lordelliott42]

I, am, Iron Snail! Didodo didodo do IRON SNAIL!

[@0773W]

Can’t wait for part 2 when it’s actually explained

[@christopherg2347]

The truth is ... I am Iron Snail!

[@pastordonkoh7692]

Iron shell cool. Let's wait and see what *Musclehank* has to say about this

[@techwizpc4484]

Can't wait for lobstertank.

[@remliqa]

But what does *Mussel Hank* have to say about it?

[@unicornswag888]

*Not impressed*

[@joseb.junior1455]

Molusco Hank

[@jimmyeng663]

hey way Olivia talks makes it seems like they're telling us a secret! Love it.

[@4evermilkman]

This is my favorite channel to learn from :)

[@yorusuyasoul69420]

HP +1200 HP REGEN +50 ARMOR +100 Damage Reduction 30% Movement Speed +75

[@commoncommentatingcommento8683]

Armor boost + 15

[@netuzer5895]

Recoil damage +3

[@junreaksaa]

They are snail so basically movement speed is less 70

[@slamminsalmon_]

pov: you are here for hank greens tiktok

[@aaron4832]

Not bad, only took us 18 years after discovery to push this one to extinction. Good job lads, I'll buy the next round.

[@SuLokify]

Awesome animal! Also, the shadow from her glasses under that lighting is a great look.

[@Master_Therion]

I think I read about this species in the Bible. The carpenter Joseph asked young Jesus for some iron nails. Jesus made iron snails.

[@frankschneider6156]

Are you sure, that Joseph didn't order Jesus to put some slugs into the competing carpenter across the street, who was ruining prices and was also suspected of having a secret love affair with Joseph's wive ?

[@commoncommentatingcommento8683]

and Jesus was pleased This delightful reference brought to you by The Boondocks

[@louiemcewan4911]

I've gotten into the habit of liking the video right at the start. Goes without saying it'll be interesting, so definitely deserving of it. XD every time.

[@sizanogreen9900]

Yet again a video about a great and interesting lifeform ending on the note of humans threathening their continued existance...

[@IRosamelia]

Good God, the medical potential of this discovery 🐚🐌🐚🐌

[@aaronpinkerton2689]

I think you mislabeled Admiral Ackbar

[@fullselfcontrol]

Great talking speed! Makes it easier to follow :)

[@MerkDolf]

Ah, now we know where Stan Lee got his idea from.

[@gamongames]

Yay! You're using glasses again! I look just like you with glasses and I struggle with my self steem, so seeing someone like me doing something I love really gave me confidence. I saw your other videos without them and thought you gave up on them for contacts or something. Haha Either way, youre amazing and gorgeous!

[@nustada]

She looks like she has, or is, a mix of aids and cancer. Someone should tell her that being greasy doesn't make her smart, which she isn't.

[@frankschneider6156]

Gabriela Montemor While you are certainly aware of it, looks are in the end perfectly irrelevant and even worse: fleeting. Everyone gets more uglier as they get older or if one wakes up in the morning. So don't put too much emphasis on it. So if you look like Olivia you surely are at a disadvantage, but that shouldn't affect your self-esteem. And be honest: would you really be interested in people who are only after your looks ? See ?

[@Greg_Rock]

Robert Drowney, Jr. He lives underwater and suits up with sea vents.

[@OddNumber1524]

* squints * * adds snail blacksmith's to his fantasy lore *

[@touchdownConfirmed]

Brilliant: 10% learning, 90% marketing

[@niirceollae2]

Thats some pokemon type of s*it 😱

[@martianastronaut4917]

Water/Steel type like Empoleon

[@danstiver9135]

I'm pretty sure there IS a Pokemon based on this named Escavalier.

[@gavinbrown216]

Goo Lagoon no, it’s based off of a beetle that eats snails and uses their shells, the steel-type is mostly representative of the hardness, but if GameFreak says what you said is right, I’ll gladly take back me saying you’re wrong.

[@TheOtherNeutrino]

Goo Lagoon Escavalier is a beetle that has a shell that it stole from Shelmet, which wasn't even Steel typed.

[@TheAce736]

You were close, escavalier takes shelmet's shell, shelmet is an iron coated snail with pointy armoured feet.

[@TheKasimkage]

I’m sure I remember hearing about some crabs living by hydrothermal vents in the ocean which managed to incorporate some metals into their shells too.

[@zabdi5427]

hmm, Lives around extreme heat, has scales, protected by iron? Sounds like a dragon to me 🤨

[@ursaltydog]

Love the Title.. it would be great for a kid's book.

[@alecrisser12]

Iron sulfide is a compound of iron and sulfur!? No way, I never would've guessed that!

[@jackkraken3888]

LOL same.

[@gabriel300010]

somewhere out there, someone would complain about it if they didn't explain

[@mohamedmansour2331]

Not everybody is as clever as you are.

[@-butterfly-594]

@@mohamedmansour2331 Yes, not everyone is a functioning human.

[@gabriel300010]

@@-butterfly-594 not every "functioning" human has a basic grasp of science, and its better if we dont just throw them out of here, and "deny" them that knowledge. Should they know that stuff already? Yes. Definitely. Should they be obliged to know it to access scientific information? Not nescessarily. Its kind of revolting when they dont know, and thats only more reason to keep them close and learning.

[@surabhi_kumari]

When I was watching this my papa was sitting beside me and he asked me , " do you even understand this , do you understand English, do you understand this accent ? " then he asked me to translate it , I was like 🤦‍♀ , I feel like like bursting out myself in a deep sea hydrothermal vent rn .

[@lzzfxck]

I can't be the only one who finds the texture of this snail's suit really unsettling.

[@brianwilson9501]

Its normal snails which happened to come into existence near a thermal vent. They absorb/intake the minerals its spewing. Most the snailscan, others not so much (metals) their bodies try to excrete them. Which through its excretion and location it solidifies on its feet (their words not mine). Then it continues to excrete them but can't in same spot, so they overlap into overlapping plates.

[@lmeza1983]

2001 discovered 2019 Endangered? At this rate there will be nothing by 2050....

[@VOLAIRE]

“Iron suit of armor” Ah, a super hero to protect its kind

[@1evie11]

Ok this is so wired! Just a few days ago I was just looking up a plant Philodendron Squamiferum and saw videos about this snail. And now right after you guys make a video on it?!!😂🔺

[@gnarlyandy1]

This snail is not the only animal that harnesses the power of iron. Beavers have iron in their teeth.

[@ryanharris402]

Fastest I've gotten onto a video. 1-ish minutes after it being posted

[@dylandoran1596]

Homeskillet ok bro but why is that an achievement my guy

[@Kadajliger100]

fast going into a video about a sloowwww creature

[@dylandoran1596]

Kadajliger100 ok but where’s the sense of achievement in that bro

[@Kadajliger100]

@@dylandoran1596 wheres the sense of achievement in fortnite brroooo

[@dylandoran1596]

Kadajliger100 dno mate I don’t play it

[@kairon156]

If they could find a way to farm these Metal Snails I bet they'll explode in population.

[@Biomechanoid29ah]

In a heavy french accent..."le scargot du fer! C'est magnifique!" Crunch! "Mon dieu! Le teeth!"

[@kairon156]

@@Biomechanoid29ah Even though I don't speak french what I did understand made me laugh.

[@Keallei]

Thanks Brilliant and SciShow for fun sci facts

[@brandongaines1731]

Video title about a snail coated in iron: The Indestructible Deep Sea Snail. Magneto: Hold my beer!

[@TheBronyCraft]

Dang no slugs with genetic mutation capabilities, yet

[@Michael-lc8yl]

their rnd team are a bit sluggish

[@shalinisingh9183]

Y’all here from Hank Greens tiktok too??

[@spiderman233]

A super hero and a Pokemon at the same time.

[@Inertia888]

transitions to the ad are getting better. smoothe😎