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Why Are Aquatic Worms So Much More Terrifying Than Land Worms?
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- Published on Mar 15, 2026
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Worms are completely helpless. Until the second you put them in water...
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I always found it fascinating how the ocean just makes things bigger
Not when its cold, ask my husband!
@boopsnoot polar gigantism bud
@BoopSnoot the cold makes things even larger
Edit:just wanted to add that yeah no shit I got the joke but couldn't resist pointing out the irony
@thunderfox53 I don't think that's quite the thing she's talking about.
@1ProAssassinThese people are nerds, they don’t get laid.
"Don't pet the worm" is advice the guys in Prometheus should have listened to.
that movie kills me to this day, and he was supposed to be a biologist!
@BrenzOTnTYeah. They were beyond careless.
Especially in alien covenant
@richardrahl7546i guess stupidity is one way to move the plot along 🤷
@BrenzOTnTIndeed. More often than I'd like, but oh well.
“The scariest thing a worm can do is dry up on the sidewalk” the humble hammerhead worm with neurotoxins:
Land worms may not be big but they're not any less scary... I think there are also predatory worms that digest their prey through their skin. They don't need to eat stuff, just being in contact with their food is enough...
Tapeworm growing in a human brain. And other parasites.
Isnt that a flatworm tho? Not an annelid? (Still a worm tho)
@JKHTXflatworms
The video defines "true worms" as annelids. It only considers the annelid worms.
Most orginal Terraria boss idea:
Lol
Original boss or the 20th worm boss in the same mod?
i was deadass about to type smth about aquatic scourge
Most original comment idea:
@amussed922Theres literally bobbit worms tho
Nothing scarier than worms resisting sidewalks...
I feel cringe disgust and my body is frickin just saying me to run away if its worm coz worm us worm they are disgusting i have frickin phobia from them
@Kirahvelsui I had a seizure reading this
@Airfryer7awww🥀😍
@Kirahvelsui "when you need to reach a certain word count for your essay"
@SspicyPepperfrr💀
Terraria calamity:
Fr
Eidolon wyrms 😔
thought you meant the desert/aquatic scourge, until i remembered the worm(s) that kill gods
Thanatos my fav dawg
barotrauma:💀
13:33 I have no mouth and I must scream refrence
I have no mouth nor desire to scream
No cost too great. No mind to think. No will to break. No voice to cry suffering.
@charmityambassador Dang that's kinda hollow
We were his belly slaves!
I had a mini 10 gallon saltwater aquarium and didnt know I had a 2 foot long bobbit worm until I was walking past it in the middle of the night and saw it 90 percent extended out of its burrow out of the corner of my eye. It literally made my heart skip a beat. Somehow it hadnt gotten ahold of my fire goby yet. Next morning I pulled the rock out and put it in a bucket and dumped club soda on it. Caused the worm to immediately leave the hole. Returned rock. Put worm in a bag and put it in freezer.
Tasty snack for later 😋
I would have moved the fish and kept the bobbit worm- love the crazy things
i wanna get a pet bobbit worm
@GeneralAeon it's probably being saved for use as fishing bait - i hear that a relative, the australian beach worms(which are mostly harmless detritivores about the same size that live inside essentially every australian beach in the thousands. yes, they're mostly harmless - not necessarily ENTIRELY harmless, though, they might nip you; but eurgh! gives me the willies. they're longer than me! and i'm taller than most australians) are frequently pulled up out of their burrows for use as fishing bait. sure, bobbit worms are venomous and terrifying predators, but venoms can't survive stomach acid. probably mostly the same to a fish when dead and on the end of a line
If I saw a demon spawn looking worm in my fishtank at night I think I'd just die on the spot
9:22 The kind of damage they inflict is psychological.
0:12 The creepiest thing they do is be living noodles like snakes but smaller and no bite.
They existed before noodles , so we mimicked food after them
@KeonDavis-zg1if 🤫, no one wants to know that their favorite Asian food looks like noodles
@KeonDavis-zg1if now I’ve tried the vegetarian version and it’s delicious I want to try the real thing
4:07 land worms are quantity, ocean worms are quality.
There are OTHER kinds of worms on land, too. Also very terrifying ones. Including many parasites that will eat the victim from the inside out, and also the Megascolides australis, which is a type of earth worm that can grow up to 9 feet long.
Yeah! And hammerhead worms! They are definitely terrifying predators!
there are also leeches which are basically just worms too. Kinabalu giant red leech and giant horse leeches that swallow frogs whole. and obviosuly the flatworms (hammerhead worms). they are smaller but they can swallow giant earth worms 10 times their size and have toxic slime around them + regeneration.
Yes but those aren’t armored and/or equipped with a bear trap for a mouth.
Megascolides australis make the best fishing bait, you only need 1 for an all day fishing trip for 3 people
@johnmarkson1990 leeches are aquatic im pretty sure
I love getting revenge on shoreline blood worms which have metal teeth, actually metal, and feed them to anemones.
that sounds so cool
@ryorika VeryCool
8:59 a snake which is solid?…
When you can't even say,my name🗣🔥
NO ONE HEARS A WORD-
Hehe...
Solid snake or a solid snake?
🚬
You have 10 missed calls from the Barotrauma EndWorm
Motherfucker predicted my comment-
"man I wish that game had something really big in it"
The humble red waves on the sonar:
@konstralit2105I legit panicked when I saw that shit on the sonar with my friends
@pilotbug6100 Seeing Latcher on the sonar is much worse tbh
@konstralit2105me and my buddies encountered that and ngl... We were shitting bricks
Is that the godamn endworm from Barotrauma
"The Desert Scourge has awoken"
Desert scourge pre desert
what abt the Primordial Wyrm? Or the Eidolon Wyrms?
0:56 I feel like the Hollow Knight worms, those flesh worms from Struggling and the Gloo Gloo worms from Rayman were all inspired by this thing. 💀
So true litteraly just the worm version of the hollow night
GLOO GLOO GLOO GLOO GLOO GLOOOOOOOO.....
@eliosphere worm knight
is the pale king a worm?
The "gloo gloo worm" is an eel
4:44 this is a wild thing to say when there are giant earthworms that have been measured to reach up to 20 feet and are also heavier than the bobbit worm
Wait fr?
@NotTinBoiyeah there's the giant gippsland earthworm in Australia that is comparable in length to the bobbit worm.
Then there's the African microchaetus rappi which is usually smaller at about 1.5 meters but it has the record for longest worm ever found at 6.7 meters or 22 feet
@Arthillidan ahh Australia what a peaceful place🗣️🔥🗣️🔥
@Arthillidan 6.7?
@Arthillidan67
3:00 I would actually just have a heart attack and die if I had never heard of that worm before and saw it shoot out of the dirt and eat a fish with no idea how it got in there.
I know someone who got bit by one, and he had no idea what tf it was when it happened.
Barotrauma gave me a worm fear
type of shit i be watching at 1:42 AM on a school night instead of sleeping
oddly specific cos its 1:57am on a school day for me
I'm currently doing that
We worming
I seen the title and said: because it’s underwater and everything down there is something that crawled from the deepest pits of humanities nightmares
No, they mostly evolved before human imagination existed
@garysloan9793 even worse, meaning their incomrehensable to humans
@SwagjagsonV2their 😂
I still feel safer in the ocean than any inner city, humans are more unpredictable, these animals are just following the food chain and evolved in a way that’s foreign to us land creatures, to them we are the weird ones
I am going to pet the worm and nobody can stop me
Do it do it do it do it do it!
@Borgslopthese are decently common as unwanted guests in saltwater aquariums.
(much more so than bobbit worms, weird chioce by the vid creator to mention it for one but not the other)
i had the unfortunate experience of moving around some rocks in my aquarium and accidentally grabbed into one of those fuckers.
cant recommend.
immdiatly washed and disinfected my hand and it still looked like a grabed a red hot metal bar for half a week.
@the4GIVENbut dey so fluffy
@the4GIVENif you arent supposed to pet them why are they so pettable shaped
Its a bird
Its a plane
Nope, its the bells of the outcast of the suphric seas summoning a whole fandom
So a sarlack pit in Star Wars 1:19
why is bro bulling the worms 13:00
This hypothetical Sidewalkproof worm is speculative at best, all these worms still dry out on my sidewalk.
They wouldn’t last 5 seconds on an Arizona sidewalk lol
“The scariest thing a worm can do is dry up on the sidewalk” the humble hammerhead worm with neurotoxins: 🤨
It's not a true work though
massive worms in the gut are unpleasant -- in tropical countries
“Welp i guess i have a pet bobbit worm now” is what i assume that reaction would be because nothing short of a 9mm is gonna have me getting close to that thing.
Bobbit worms would be the scariest animal on the planet if the bite wasn't so mild to people. Like if it took off toes no one would go in the water.
...THERE ARE SOME SPECIES OF BOBBIT WORMS WHICH ACTUALLY poisonous TO THE POINT OF _cone snail_
..............
@robotnikkkk001 I wouldn't smoke with a snail
Imagine it went straight for your dih
Or like if they grew as thick and long as the graboids from Tremors
@weswolverine 100%. Why are giant worms so scary? Dune, Tremors, Jörmungandr, dragons,
15:13 the state you find bro in after he gets with the hello kitty girl
TYPE SHIT
the script is giving chatgpt
Yeah its incredible how many people don't know this is AI.
11:23 "the shape presser presses the shape into a pressed shape"
That's some barotrauma experience
Waiting for bay and harbor dlc
An barotraumatic experience..
I suppose, since it got missed here, it'd be nice to see a video about other worms on land and also parasitic worms.
yo good job on getting a sponsor.
And a suitable and actual cool, useful and fun one too! Probably one of the sponsors I didn't skip on a youtube video.
I don't know, but a fractal worm tongue with poison mucus seems like a monster that hasn't been utilized in movies enough.
I exactly thought this. This one is more alien than alien movies
0:25 are we absolute certain? Has anyone ever tried placing a sidewalk in the ocean?
11:56 but they must scream
I didn't realize bro advertising a book... It was so clean that i was genuinely thought that has something to do with the conversation
How normal people sees thumbnail: *[Censored]*
Calamity players: *New boss*
Censored? Like a certain ALEPH abno from Lobotomy Corp?
This guy's channel is only 10 months old and he has a sponser already D:
Information that makes you go hmmm
(the voice sounds generated to me)
2:15 puffer fish don't realese toxin while inflating, they just ARE poisonous all the time, like poison dart frog. Bobbit worm are probably super resistant to tetrodotoxin and other poison.
The thing on the right in the thumbnail looks like a Barotrauma Endworm
there are giant earthworms though, even some that look to maybe be up to 6 feet long
13:46 some could say…..
It has no voice to cry suffering
Taking a shit while watching this is a truly horrifying experience
Thought this was a Barotrauma video at first glance.
Remember Kids: If you bite something and it kills you then it was POISONOUS. If something bites you and you then die as a result, it was VENOMOUS.
Now you know. And knowing is half the battle!
*The other half is violence.
And if it bites itself and you die, it's voodoo
VoDonous
@champiggyfrm_pig5271 And if it’s an hotel ? Trivago
11:37 Actually, fishes called tube fish live with these tube worms, and sometimes, you will see spiky crabs things and there's a chance they will have snailfish on them.
I'm just saying this because they are fish living with these worms and you probably mistook them for something else.
Thank you for this incredible video!
I have a feeling that 5% of the viewer count is terraria fans (especially Calamity ones) that clicked on this video because of the topic of dangerous worms
I may have just done that.
earth worms: Kinda hungry, might eat leafs
ocean worms: Hungers for flesh, hides
1:41
The octopus actually casually walks out after that in the full clip(if anyone was wondering). Octopus are crazy.
This was neat! You're going onto the list of nature creators that I like!
😉
1:06 Helldiver you face a hive lord. May liberty guide you.
FOR SUPER EARTH🫡
The very instant the video begun, I was seized with "mild" trepidation
I bet you never thought you'd say "Don't pet the worm." 7:08
Basically the mini Sarlac pit version of Earth's oceans.
So endworm in barotrauma is possible
12:30 how did we even figured that out?😭😭
Ok I do feel the need to point out that yes, while all worms discussed are part of the Annelida (a phylum), they are still in different orders, not even in the same classes.. Bobbit worms for example are class Polychaeta, order Eunicida, while a terrestrial worm like Lumbricus terrestris for example is class Clitellata, order Oligochaeta. So saying they're all just worms and the only difference is their habitat is kinda undermining the fact that they evolved completely differently. For context, this would be similar to saying humans (order Primates, class Mammalia) would be the same as lancelets or sea squirts, just because we are in the same pyhlum (Chordata). I'm not saying you're wrong, just putting it into perspective a little.
Anyway, great video! I remember dissecting worms in my bachelor's like it was yesterday🙃
minimum viable chordates 😭 im so dead
No, it would be like comparing humans to other members of the same order.
Damn, you had enough room to dissect worms in your bachelor? He must have been very popular.
@garysloan9793No, obviously not😂 did you even check that what you're saying is correct?
how are annelids super different from each other though? a tunicate and a human being have compeltely different morphology, feeding habits, teeth shape etc. annelids are usually just annelids. worm body shape. eat using pharynx. if there was a small monkey like annelid then you would have a point.
From time to time I forget that we just have these funny limbless spore creatures roaming the underground
The “bobbit” worm is named after a woman who cut of her husband’s……
Ow
So weird yet mesmerizing
0:36 i really dont have a problem with that.
i love how he always clarified that thankfully they're just worms
11:51 and they must scream
ISNT the almost last thing just a plant?
10:30
Memento Mori
Unus Annus
#WeWereHere
@Nobody-wp4ds Who was here? What are you talking about..
Why do I find it so funny every time he insults land worms?
11:54 you said you won't find fish at hydrothermal vents, but you showed a picture that clearly shows fish.
Couple mistakes in this video.
My 3.5 year old and I have been enjoying and binging your videos. Makes me feel better than watching cartoons. We're traveling with these videos, learning about creatures of the planet. Thank you!
0:28 terrifying
I know... I live right by a sidewalk😓
I will always remember the turtle eating a fire worm and slapping it
Bobbit worm gave me Oshaune PTSD
I was looking for this comment🤣🤣
We must make side walks in the ocean 😅
You forgot to mention why the Bobbit worm is called the Bobbit worm. 😎
perhaps a story for another day...
"you feel vibration from deep below"
1:32 js drop a c4 on top of the worm
? Okay?
C4 does not explode from being eaten
What about very weak glass that breaks as soon as it bites it
poor earthworms bro's getting all the shade
Peak video
I slept while watching this vid, I just woke up 😭
8:38 specifically the longest bootlace worm = 55 meters (uncommon), long dino = 35 meters long (still longer than most/common bootlace worm), meaning some bootlace worm is longer than dino, but not all bootlace worm are longer than dino.
Wait what ? What is then ??
@Kurayami-d3k basically a huge size dino, like the triceratops 🦕
@nekoyukiboy it's half as long as a football field, nothing else is as long as that
@WackoList0i renewed my comment
Aquatic worms are on a completely different level compared to land worms. Really interesting explanation.
7:06 someone clip this out of context
Could be interesting to do a video about brine pools. They were featured in a documentery I watched years ago
Bobbit Worms are quite literally one of my favourite animals
The tube worm reminds me a bit of "I have no mouth and I must scream"
Worm is just a body plan. Snakes are worms. Snakes are so terrifying that we have been genetically predisposed to fear them. Snakes live on land or at sea.
The Alaska Bull worm has been real quiet since this video dropped.
Wait, worms have BRAINS??!! 13:00
They are simple but they do have brain at least
That first worm looks like a subnautica ghost leviathan
Awesome! But it's kind of sad that you didn't say anything redeemingly positive about these species in the conclusion :( why not say they might be gross but they are also beautiful? Because the diversity of life is among the most beautiful things in existence, even if it can also be gross at the same time
Y r we sympathizing for a worm that has no feeling or care?
@nickburton7897because villanising animals is wrong. Makes people dislike them and think they're less, when they're just as important than any other wildlife.
@owlosaurus66yeah still not gonna sympathize for a worm. It aint that deep
So this is what those worm bosses based off
2:54 I mean, that's kind of the person's fault for literally stealing coral, so deserved.
Oh yeah they LITERALLY stole the coral, because it’s owned by king Neptune obviously
You can’t steal coral restard
Thats horrifying and so freaking cool.
6:39 end of sponser
Thanks bro
Deciding to watch this instead of finishing homework was a bad idea