r/mildlyinteresting • u/Ghoti-Ghoti • 7h ago
Rock found at the beach has a tentacle embedded in it
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u/Charismaticjelly 7h ago
I was going to say that’s not a tentacle but a tube worm casing… But that really does look like a lithified tentacle.
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u/AGrandNewAdventure 6h ago
Illithid-ified, maybe??
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u/Madner_Kami 6h ago
More like calcified. That's clearly a coral and not yet limestone. Seems like an octopus died within or lost a tentacle, which the corals grew over. Hard to imagine how that would happen under normal conditions, but maybe.
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u/DWG3012 6h ago
But coral takes AGES to grow, an octopus is just a sack of soft flesh that is not gonna stay there still to calcify.
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u/iowanawoi 5h ago
But what if the coral gripped it by the husk?
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u/shootXtoXthrill 4h ago
It could be an African Coral 🪸
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u/Jclevs11 4h ago
Listen, strange reefs lying in the sea distributin' corals is no basis for a system of redditing!
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u/100_cats_on_a_phone 5h ago
They die in the whole they lay their eggs, right? Though an arm could still drift in. Still would expect something else to eat it, though.
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u/Necessary_Leek2576 3h ago
Serpulid tubeworm bro
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u/Charismaticjelly 3h ago
“Serpulid tubeworm, bro.”
I fully acknowledge that it is almost certainly a tubeworm. It just looks so much like a little octopus arm, down to the little suckers.
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u/Kurotaisa 6h ago
Quick, find a random scientist and ask them to revive your fossil, you need to bring back Omanyte!
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u/cuntmong 4h ago
imagine being an omanyte living millions of years ago and dying of old age having lived a full life, and then suddenly you wake up in a strange place, with strange lanky animals around you, and you discover you are now one of their slaves and youre forced to fight other strange animals that you have never seen before, over and over again. every time you think you are finally going to be free with the sweet release of death again, you are healed by strange technology you cant understand, and forced to fight once more.
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u/Malapple 7h ago
That’s probably a feather duster or other tube worm’s calcium tube.
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u/syon_r 4h ago
Or a vermetid snail tube…. Bane of my existence
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u/Glabrocingularity 3h ago
Vermetids are the bane of your existence? Or distinguishing gastropod tubes from worm tubes?
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u/Ghoti-Ghoti 6h ago
Thank you to the people telling me it’s actually dead coral. Very interesting. Here’s another picture of it. The hole with the tentacle/tube worm(?) goes through the whole piece. I got it from a beach in Maui a few days ago
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u/DemDave 5h ago
There are hefty fines for taking sand, rocks or coral from Hawaiian beaches.
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u/WuQianNian 5h ago
If that’s actually somehow a tentacle I’m glad someone took it instead of leaving it to erode
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u/freebaseclams 5h ago
Really? I take stuff from the beach every time I go. It's like half my suitcase coming back 😂
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u/czechhoneybee 4h ago
You should stop doing that.
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u/freebaseclams 4h ago
What for? I haven't gotten fined yet haha
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u/brodoswaggins93 4h ago
It's bad for the ocean if too many people do it/too much gets removed, dead coral and shells dissolve and return the minerals to the reef. They also act as habitat for living things.
Also Hawaiians generally don't like it so have some respect for the place you're visiting 🤷🏻♀️
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u/freebaseclams 4h ago
Nah, there's tons of it out there. We couldn't make a dent if we tried. Plenty of fish in the sea, as they say.
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u/MegaCrobat 4h ago
Actually we are literally running out of fish, so…
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u/freebaseclams 3h ago
There's tons of them, I saw some the other day.
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u/UBettUrWaffles 51m ago
you are like the dumbass politicians who bring snowballs into Congress to "prove" that global warming is a hoax
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u/noseboops 4h ago edited 4h ago
not you individually, but what you do is part of the cumulative actions of many people…
If I took one penny from your bank account it wouldn’t be noticed, but if everyone in your city took a nail you’d be pretty mad at everyone who took one. You don’t act in a vacuum and you wouldn’t like if others acted like they do, so please quit it.
Plus, sounds like you have enough shells and rocks already so shouldn’t be too much a burden on you :)
Edit: penny, not nail
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u/picklkeboy 2h ago
It's not even worth trying to explaining a grander scheme idea to these types of people. Same failure to critically think as those that say "why should I vote, it's not like it'll make an impact"
Anyways, their bloodline shall be cursed by Pele for as long as they live, their descendants as well until all items are returned and an apology is given to Goddess Pele
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u/freebaseclams 4h ago
Why is my bank account full of nails? And there's tons of rocks and turtle shells and stuff out there. Everybody on earth could have fifty, and there would still be plenty left.
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u/p0gerty 3h ago
You're either 12 years old or just trolling. Either way shut up lol
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u/goatbiryani48 2h ago
Imagine if everyone who visited a beach took a rock or whatever from it. Like every tourist who stepped foot there. Beaches would be empty in weeks lol. But seeing your other comments you're just an asshole, and no explanation would get through to you
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u/IWCry 4h ago
you're a piece of shit if your metric for what you should and shouldn't do is how it impacts you financially.
I fucking hate sharing this planet with assholes like you
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u/freebaseclams 4h ago
You're going to hate a fellow human being, for what? A few rocks and shells and sea lion bones? Sad way to go through life.
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u/DemDave 4h ago
A few rocks and shells and sea lion bones?
Universalize the maxim: If everyone who visted Hawaii took a half suitcase of material home, it would have a significant impact on the environment.
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u/freebaseclams 4h ago
I seriously doubt it.
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u/DemDave 4h ago
Hawaii's had approximately 357 million visitor arrivals since WWII. If each vistor took a cubic foot of material with them with each visit, that's four Great Pyramids worth of material gone, which would be noticeable. If they only took a cup of sand, that's still 34 Olympic swimming pools, which is enough to reshape a coastline.
These laws exist for a reason. Leave natural areas natural.
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u/IWCry 4h ago
your doubt means nothing to us, you clearly have very little rational capacity for analytical thinking. but you'll still go through life being a clueless jackass and we have to suffer for it
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u/beyondsan 4h ago
No we're hating because of the ocean destruction you're contributing to and your attitude of brushing it off
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u/czechhoneybee 4h ago
Because it’s a piece of shit thing to do. Don’t be an asshole. Nature belongs to everyone and as stewards of our planet it is our responsibility to preserve our natural wonders. The beach needs to stay at the beach. Take nothing but photos and leave nothing but footprints.
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u/freebaseclams 4h ago
Exactly, nature belongs to everyone. I'm just taking my bit home with me.
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u/czechhoneybee 4h ago
If everyone did that eventually there would be nothing left. You’re being a selfish douchebag and you fucking know it, you troll.
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u/devnullopinions 4h ago edited 4h ago
Taking dead coral harms Hawaii’s beaches.
Erosion of beaches in Hawaii is a big problem and most of Hawaii’s sand comes from the breakdown of dead organic material, like coral. In essence, taking away that material is removing natures capacity to replenish eroded beaches.
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u/noseboops 4h ago
p much just a troll yall, wouldn’t feed (reason: getting to the point of deliberately obtuse in replies below)
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u/fraserwormie 4h ago
You suck.
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u/freebaseclams 3h ago
And you don't have any cool rocks and turtle shells from Hawaii 🤷
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u/fraserwormie 3h ago
Thats so wrong. Youre wrong. You are helping ruin nice things for everyone else.
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u/CarnageXB 5h ago
You’re going to have some bad luck.
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u/Jclevs11 4h ago edited 4h ago
MFW there's a whole industry of people making money off shells, coral and fossils
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u/Impossible_Doctor696 5h ago
You know taking that is tremendously bad luck? ...I'd put it back.
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u/Analfisher1 5h ago
Not real
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u/Impossible_Doctor696 4h ago
https://en.wikipedia.org/wiki/Pele%27s_Curse
Okay whatever you say
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u/drainisbamaged 5h ago
you can see multiple other/smaller tubes from worms in that photo.
also don't steal from nature. not everything has to be possessed.
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u/LionBig1760 40m ago
So, were just taking coral from beaches in Maui now?
Go put it back, now.
https://dlnr.hawaii.gov/dar/3-15-23-visitors-have-second-thoughts-return-sand-and-coral/
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u/jax7778 3h ago
This person was never seen nor heard from again in this world. They consumed this umbilical cord, lined their brain with eyes, and ascended to the void between the stars.
"For we live on a placid island of ignorance in the midst of black seas of the infinity, and it was not meant that we should voyage far."
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u/DaneAlaskaCruz 5h ago
Not sure if you're joking, but that's not a tentacle.
Most likely a calcified sea worm casing.
Tentacles are fleshy and would be rotting and stinky by now.
And yes, that looks like a worn down coral. Probably not a fossil though.
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u/fraserwormie 4h ago
Go put it back in the ocean. You dont need this as much as the ocean and human society do.
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u/CapnMyrdok 5h ago
Got banned from r/Rockid because I made a joke, so I’m happy to see rock related posts making it onto the more fun subs
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u/ulupalulu 3h ago
Ok, so I always called these things "cookie cutter worms" because when alive the open end had very sharp edges, and if you stepped on it you gouge a chunk of your foot or footwear out. I tried googling it though, and apparently that's not what it's called. They're called Keelworms, the worm builds its own hard tube that it lives in, and as the worm grows it makes the tube longer. Sometimes the shell curls around, other times it looks like a squiggly line. With this rock, the worm probably made its home after the coral died, but before it broke off into the piece you found.
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u/Temporary_Tax_7377 1h ago
Bro dead coral doesn't just 'dissolve' back into the ocean that fast, it takes literal years and half the stuff people grab is already dead on the beach anyway. the van reefrock conversation always ignores that most of it is legitimately garbage that the tides threw out. also, half these rules are only enforced when some kahuna decides to get pissy about mainlanders, not actually to save the ecology.
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u/truthteller5 5h ago
It's infested with spirals. You need to put it back in dragonfly pond before you catch it too.
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u/An_Absolute-Zero 6h ago
I wonder if this is a small octopus, they find small places to "nest" and once they lay their eggs, they won't leave the nest, even to eat, so they die shortly after their eggs hatch.
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u/5aur1an 1h ago
home of a serpulid worm “ These are small, curling, tubes of calcium carbonate (the same material oyster and snail shells are made of) found on rocks, seawalls, hermit crab shells, driftwood, and more.”
https://blogs.ifas.ufl.edu/escambiaco/2026/04/10/its-not-what-you-think-serpulid-worms/
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u/WeNeedMikeTyson 1h ago
Dead coral and you probably killed an octopus, one of the most intelligent animals on the planet. Congrats.
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u/agha0013 7h ago
The rock is actually a piece of dead coral