A Genetic Mutation In Frogs Can Cause Them To Grow Eyes Inside There Mouth... I’m Having Nightmares About This
By - Batman120902
Normal frogs blink when they swallow because they are pushing the food down with their eyes.
This one keeps his open so he can watch what he eats.
diet frog if you will.
bet that frog loves see food.
*Deep sigh, loads gun*
*walking dead meadow vibes*
They order it on their lil eye pad.
Enjoy the electrifying, satisfying, refreshing summer taste of *Frawg Zero Sugar*™ by Mtn Dew®.
I still have a can of Crystal Frawg from '97.
[Mudskippers](https://i.imgur.com/3K3bcOV.gif) - Fish which have evolved to live on land for extended periods - do something similar, although in their case its to keep their eyes moist.
Nature is weird.
Life finds a way.
so I herd u liek mudkipz
Kinda makes you wish our eyes were multifunctional too...
you havent lived until eating puss with your eyeballs...
There's a hentai for this somewhere out there...
Clicked on the 'read more replies' expecting to see a link to said hentai, leaves disappointed.
When you put it like that, I see where you're cumming from
This makes me more uncomfortable than the OP
this sounded so ridiculous until I found out its true. wtf.
The Healing Church from Bloodborne is very interested...
grant us eyes *ribbit*, grant us eyes *croak*
I hope I can forget too.
> "As you once did for the vacuous Rom, grant us eyes, grant us eyes. Plant eyes on our brains, to cleanse our beastly idiocy."
Kerm, or some say Kermit...
Plant eyes on our brains, to cleanse our beastly idiocy
See food diet
The dirty bulker
Healing Church used blood, it was Byrgenwerth that wanted eyes.
They ate the cords, now they have eyes on the inside
*Byrgenwerth would be more accurate ngl. Healing Church cared about the old blood while Byrgenerth cared about insight and the eyes-on-the-inside symbolism.
You are correct, sir. I mixed up my groups of crazy zealots.
Came here hoping to find a bloodborne reference.
Was not disappointed.
Demon of song
Miyazaki is taking notes as we speak
Nono, the world is taking notes from miyazaki
Have mercy on the poor bastard!
So do they have a total of 4 eyes or do they hop everywhere with their mouths open?
Only two eyes. If they want to see, they need to open their mouths.
This happens because many amphibians actually use their eyes to swallow. When they swallow, their eyes dip down into their mouth to help push the food. This mutation results in the eyes being fully retracted into the cavity.
I don't know why I'm so disturbed by this but it's got me on the edge of tears thinking about this poor frog.
nah, you should be *impressed!* it's a full grown animal, with muscle mass and everything! it has succeeded despite drawing the genetic short straw, and i bet it's even managed to reproduce and send a little of its own inherited weirdness into the future! and who knows, maybe eyes on the inside are better in some respects! evolution is a wily creator, and everything we consider normal now, was once as bizarre as this seems!
I look forward to your future Ted Talks.
He may have a newsletter you could subscribe to. Its ok to ask.
A frog completely sheds its skin about once a week. After it pulls off the old, dead skin, the frog usually eats it.
That's such a weird thing to do that I would never see my kids do after a sunburn.
did you just assume my.. syndication?
There goes his inbox.
Perhaps you'll find this old comment of mine amusing--
The articulation of the *opposite function* of the saying 'pearls before swine' is... 'pearls before swine'.
'Pearls before swine' is understood as 'value unrecognized by the ignorant', but this implies inherent value of the pearl. In its opposite sense, 'pearls before swine' can be understood as 'value familiar to the wise', because to a pig, there is no value, nutritional or otherwise, for the bauble.
Thank you for coming to my TED talk.
So how do I sign up for your newsletter again?
I’m so confused, yet intrigued
Who knows future generations may evolve into a Barreleyes Frog thing like the [Barreleyes Fish](https://i.natgeofe.com/n/822650f9-7218-45ed-8902-c7e9df583f7d/090223-01-fish-transparent-head-barreleye-pictures_big.jpg)
Probably not, but ***maybe.***
For anyone who didn't notice, the black dots are NOT this fish's eyes.
Its eyes are the green orbs in its skull. And its skull is transparent. It looks around from the INSIDE of its CLEAR SKULL.
Well, he's immune to Three Stooges eye poke shenanigans
He's actually not cause their heads are like not quite set jello and a finger poke would push right through. Researchers found that out the hard way trying to bring one to the surface.
WHAT the FUCK
Ocean life be crazy
I bet its vision is blurry.
The green orbs are pointed up because the eyes are looking up to detect light distortions caused by jellyfish that swim above them.
Once it detects a jellyfish, the fish pitches up and the orbs look straight forwards for the fish to home in on the kill.
Or maybe everything will evolve into crabs.
I for one accept my inevitable ascendance to crab
return to chitin
Conversational carcinization: given time, every thread eventually turns into a discussion of carcinization.
THE LONG ARC BENDS TO THE CRAB 🦀
If not enough people have said this, this is an amazing comment.
This is how evolution by natural selection works. If this mutation is not advantageous, they will cease to exist inside of 2 generations or so, no matter how lucky.
But, despite all the weird shit that happens to a canary in the coal mine species like frogs, these things may be a fundamental part of their species in 100 generations.
Duckbill platapodes are weird AF, right?
>This is how evolution by natural selection works.
there's a calculus to life that goes widely unappreciated; *everything* is in flux, and the hope of a better tomorrow must outweigh the fear of giving up what got us here
>If this mutation is not advantageous, they will cease to exist inside of 2 generations or so, no matter how lucky.
But what if, rather than being advantageous, it is completely non-disadvantageous?
Isn't it possible that the line of "eyes inside the mouth" frogs continue to exist and thrive?
If it has a net-zero effect on the frog's survival then I don't see why not.
Well, if it’s not a negative it will also proliferate. I can’t see how this is a positive mutation though.
The nice thing about this comment is that it makes me feel good about myself simply because I have *some* muscle mass.
if you consider the combined mass of all the planets in just our solar system, and then compare it to the entirety of biomass that exists on earth, from bacteria to blue whales, it starts to become evident just how rare life really is, and the extent to which we take that for granted.
it is a *luxury* to bemoan impending old age, for example, and the visual cortex of a fruit fly is rarer than the planetary conditions that begat it.
They are protected from parasites with the eyes inside.
I'm new to learning about evolution, & I'd like to understand it better. I have a question.
I've learned of polydactyly recently and it helped me dismiss a notion I had that any major mutation like that would not be passed on to offspring, or if it was the offspring would not survive.
I'm curious however. I've been trying to understand the different species lately through youtube videos & a lot of species seem to be so similar that I don't know how they can call them different species.
Isn't it true that different species cannot breed with each other and have viable offspring?
**If so, at what point would a frog like this, with it's offspring, be considered a new species, unable to breed with frogs that are above its head?** (or something like that)
If the genetic differences would be big enough yes you would be right, but just by one mutation you can't be sure. And mind you, this (for frogs) isnt such a big one. In human standards its like the loosing of wisdom teeth I guess.
i'm afraid i don't possess the scientific knowledge to answer your question, but i wholeheartedly encourage you to continue to pursue your interest in this field.
The whole thing about different species not being to produce fertile (not viable) offspring is a bit of an outdated definition, in and of itself. There are so many exceptions to that rule that it's become more of a suggestion. Wolves/coyotes for example. In other cases, such as with different species of fruit flies, two populations may not be able to interbreed, but if they can both interbreed with a third species, genes can still flow between the two populations.
What really differentiates species is whether humans have decided if they're different species or not. Sorry to throw so much uncertainty at you, but biology in particular is messy and sometimes doesn't accommodate labels well.
There are 3 different ways to classify
species and not all of them include "cannot interbreed".
There's morphological, which was how species used to be classified: "Does this look like it's similar to this other species? Then they're related." It's useful because it's quick, but of course, some species that look similar are not actually related by other measures.
There's biological species: "Can this breed with this? Yes, they're related."
Since you're interested in biology, I'll also mention that sympatric (sym- like symmetry, -patric like patriot) speciation, where 1 species will diverge in to 2 that still live in the same area, often occurs either due to pre-zygotic or post-zygotic barriers. Pre-zygotic means "before the baby is formed", basically, and often occurs due to differing number of chromosomes: polyploidy. Post-zygotic is either nonviable offspring or sterile offspring -- I believe mules are sterile.
Allopatric occurs when a species diverges into 2 due to *physical* barriers: a landslide splits the group in to two. This does not necessarily mean they cannot breed with each other, just that they are unlikely to run in to each other.
Back to species concepts. Lastly is genetic species, which compares the difference in genetic code between two species (mostly done by computers). This doesn't mean two genetically different species can't breed with each other, necessarily, it just means one has mutations the other does not. Similar to how humans have different mutations (look up mirror hand syndrome, freaky!) but can still breed with each other.
This frog may fall under that.
Even the ability to breathe oxygen was a freak evolution.
Prior to that, all living things would suffer corrosion and poisoning from oxygen, since it was likely that they respired using sulphur compounds, coming from deep sea vents.
fuck dude i went from super depressed for the poor frog to pumping my fist in the air like in the ending of the breakfast club
I like you.
I like the way you think
this is strangely wholesome and reconforting
Please, allow me to get you a tissue for your mouth-eyes.
I know, me too. I feel so ridiculously sad about this for some reason.
When I get sad, I stop being sad and be awesome instead.
Just close your eyes and chew as they say in some countries.
You should feel better knowing that he’s probably fine. He just keeps his mouth open when he needs to.
Shut your mouth, you don't wanna see this!
You'll have to wait for Planet earth 3 to witness the daily life of the Eyesinmouth frog. You'll also be seeing the nighttime escapades of a reversed digestive tract donkey, and learn about the social lives of a large family of inbred meerkats.
" reversed digestive tract donkey "
They must be from Portland
I used to holiday in Eyesinmouth. Good Restaurants near the Harbour.
I immediately thought of Lovecraft's Innsmouth.
Isn't that close to the fabled tower of Eyesinguard?
Ah yes, the famous vacation spot for Hobbits.
The views were horrible though.
I feel like the inbred meerkats are a normal thing, do animals have the same mutations humans do when breeding with their “family”? That’s a question I would like to know
yeah, and that's a real issue when we're breeding a specific/rare/expensive race of dog or horse for example.
That's also why pedigree dogs tend to be more stupid and suffer from genetic illnesses more frequently.
Who knows, but you gotta believe that they really gotta watch what they eat.
Just the one mouth pair and I think they are extinct now too. Lot of frog species are dying out now.
The image on the right is in "Climbing Mount Improbable" by Richard Dawkins and [has the following caption](https://www.google.com/books/edition/Climbing_Mount_Improbable/g4gkhtRGSLgC?hl=en&gbpv=1&dq=%22The+toad+in+Figure+3.2+is+said+by+the+photographer,+Scott+Gardner+of+The+Hamilton+Spectator,+to+have+been+found+by+two+girls+in+their+garden+in+Hamilton,+Ontario.+He+says+that+they+put+it+on+the+kitchen+table+for+him+to+photograph.+It+had+no+eyes+at+all+on+the+outside+of+its+head.+When+it+opened+its+mouth,+Mr.+Gardner+said,+it+seemed+to+become+more+aware+of+its+surroundings.%22&pg=PT139&printsec=frontcover):
> The toad in Figure 3.2 is said by the photographer, Scott Gardner of The Hamilton Spectator, to have been found by two girls in their garden in Hamilton, Ontario. He says that they put it on the kitchen table for him to photograph. It had no eyes at all on the outside of its head. When it opened its mouth, Mr. Gardner said, it seemed to become more aware of its surroundings.
Maybe all those jokes we make about Hamilton being super polluted have some real truth to them.
It's pretty gross over there
Those are jokes?
Even the mice in their mills are mutants now believe or not, pollution to crazy levels
Every time i cross that bridge coming from Toronto, it has always been night and the first thing i see is the giant flame coming out of one of the factories.. That's why I have and will always call it Mordor and i think it's kinda appropriate lol.
This must suck. You basically can't have any lemons or limes
You can, you just really gotta want em
I was thinking tortilla chips.
Frogs "We're playing around with some different directions we could go with the species"
It's the evolutionary equivalent of cell phone manufacturers removing the headphone jack.
Stands to reason that having their eyes so level with their tongue should result in better aim. Kinda like the difference of bringing a scope up to your eye vs just shooting a gun sitting on your shoulder.
Fuck it, make a souls game with all the monsters just being mutant deformities of normal animals.
Shadow of Chernobyl
Most frogs use their eyes to chew and squish prey. This is some form of cleft eyeball pallete or something.
You know, I've watched pond frogs blink really hard while eating a bug. This makes sense.
They squish their food with their eyes? No wonder frogs never order hard shells at Taco Bell.
Lol. Forget getting gummed by a chip, ever been eyeballed by a sharp chip
Or some say Kosm...
Grant us eyes
argh it’s not that hard people
Right? I wish people would open their mouths and pay more attention.
Inside where mouth?
EDIT: Also I'm getting downvoted right now for pointing out the difference between advise and advice. Apparently I'm an asshole
I specifically searched for this comment, for the love of Pete guys, just proofread your shit!
No no, see that there mouth? That's where the eyes from all the mutated frogs grow.
After they're done growing they return to their original owner so that there mouth can start growing a new pair of eyes for another mutated frog. It's like a timeshare situation.
Seriously. It's not that difficult.
Does this happen before or after they turn gay?
It’s during the transition. We have yet to see the destructive capabilities of a fully gay frog.
When they are fully gay they grow to about 10 meters and weigh an approximate 50 tons. Also their bones somehow turn into diamond. And they spit acid lightning out their arseholes.
That only happened that *one time*!
i was expecting a larger threat. that’s a relief
They’re just bi for now
Before. This is what gives them a taste for balls in their mouths.
Ahh, so the [Demon of Song](https://www.youtube.com/watch?v=C2woUMsRMJk) is real after all.
That's the demon of song
Those frogs have too much insight.
I’ve always heard you should watch what you eat, for improved health. These guys must be fit as hell.
Who toad you dat?
Looks like his eyes are bigger than his stomach.
"Watch your mouth!"
Watch what you eat!
My childhood !
I don't believe it until I see a clip.
This sounds like a buzzfeed article title
Was it the part that says "inside there mouth"?
Actually I’ve been trying to watch what I eat recently…
That’s tragic to see
The fact that it's an adult frog means apparently it's not that detrimental. Survived this long...
Probably scares away all the predators
They are like "MA! There is a stray cat outside"
The real see-food diet, amirite?
I'm having Beetlejuice flashbacks here.
dark souls 2 moment
"Arrghhhh, please kill me. Ribbit."
Imagine eating something sharp
I thought this was related to how some frogs eat. They use their eyes to push the food down their throat. I'm not sure this is a genetic mutation, but possibly pics showing this ability.
Some frogs do use their eyes to help push food down, but there is usually skin or a membrane separating the eyes from the actual mouth. This mutation causes the eyes to be seated in the mouth with nothing in between.
No, it’s definitely a mutation.
Watch what you say, frog.
Yooo this is perfect for my comic thanks yo!
It's what's inside that counts.
So... every time they eat, they get poked in the eye? This is a mean twist of fate
The Demon of Song flashbacks
At least he can watch what he eats
Lives on a see food diet
My wife came into the room and said check this out. My jaw dropped so I could get a look at our new cat.
[***20 days ago***](https://redd.it/mndn2d) and [***55 days ago***](https://redd.it/lygvpa) and [***63 days ago.***](https://redd.it/lsrfje)
What a confusing life to live. They just accept they have to open their mouths to eat, when no other frogs have to do this. So unfair.
Uh, you don’t have to open your mouth to eat?
'their' you absolute certified fucker
Thats my post bro.
[this one? ](https://www.reddit.com/r/WTF/comments/lywqz4/frog_with_eyes_in_the_mouth/?utm_medium=android_app&utm_source=share)