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#carcinization
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Theory about the creatures from Wild Blue Yonder: when you exist at the edges of the universe and/or a desolate difficult-to-survive place, there are certain forms that are more likely to emerge. That form just happens to be beings who struggle to understand the rules that the rest of the universe, be that dimensions or constancy or psychological complexity, and use mimicking as a method to learn how our world works.
So what I'm saying here is that while the creatures in Midnight, Flatline, and Wild Blue Yonder are not the same species, they have the same tendency to drift towards a category of forms. It's convergent evolution (distinct origin sources developing similar features due to similar survival needs).
It's space carcinization.
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valdevia · 10 months
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Skeleton recovered from the Le Lanchon experiments on human evolution. In these tests, volunteers were subjected to procedures to "accelerate the development of mankind". No subject is recorded to have survived. Their crab-like form is thought to be an instance of carcinization.
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sarahmackattack · 9 months
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Let’s get carcinized.
With the crab facts advent calendar, you can scratch off the iridescence to reveal one crab fact every day! We dug deep into the facts vault to bring you some deep cuts. We know you'll love 'em.
Get a calendar here 👇🏻
Art by @franzanth
These calendars support Skype a scientist! We're a small science education nonprofit. We connect scientists with classrooms, scout troops, libraries and more! We offer our programming totally for free. We also run the squid facts hotline! Calendars support our work 🧬
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modmad · 6 months
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absolutely going bonkers about the fact that sky has created Curse of Crab for halloween which allows you to turn others. into crab. 10/10 game incredible
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cypherdecypher · 11 months
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Animal of the Day!
Tasmanian Giant Crab (Pseudocarcinus gigas)
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(Photo in Public Domain)
Conservation Status- Unlisted
Habitat- Coastal Southern Australia
Size (Weight/Length)- 17 kg; 46 cm width
Diet- Carrion; Crustaceans; Starfish
Cool Facts- Being one of the heaviest species of crab, the Tasmanian giant crab is the apex of its environment. These crabs live a slow life due to their size. They eat as many bottom dwellers as they can, helping to build up their extremely thick carapace. Despite being relatively slow, they can slam their giant claws with enough force to crack open mussels and other crabs. Once every nine years, Tasmanian giant crabs molt their carapace and can be threatened by large species of sharks and seals. People see the crabs as a delicacy, but their harvest is carefully regulated and only specific sizes can be gathered.  When a crab has enough strength to snip off a finger like a carrot, I salute anyone who gets within pinching distance.
Rating- 12/10 (Carcinization at its finest.)
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to-planet-venus · 8 months
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may I introduce to you:
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the Callichimaera Perplexa
in case u were wondering, Why Do Things Keep Evolving Into Crabs
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thylawhiskers · 2 years
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My literal first reaction to this man
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crippledgiraff · 6 months
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Drew a Robot Crab yesterday for...
...reasons.
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Listen I LOVE the humans are space orcs thing, but imagine.
Humans are space crabs.
Like sure, there’s some really different looking aliens out there, with different ways of communicating and reproducing and stuff. But like. Being a human is just generally a good way to become the intelligent species on a planet. There are just human-like things everywhere.
“Our ship has 3 humans and 5 kraleex” Hendt reminded the human, Jane.
“What? No the ship has 2 humans, 2 splaids, 3 kraleex, and a loktad.”
“Agh, you all seem to tell each other apart but you look the same to me.”
“Kristopher is literally ORANGE AND 7 FEET TALL.”
“You’re beige. And Lance is uhhh.” He paused as he rooted around for the human sweet in his head. “Caramel. That’s practically orange.”
“Seriously humanity had some fucked up shit going on, you’ll probably offend Kristopher if you call him a human to his face.”
“Didn’t you convergently evolve?”
Jane sighed.
“Yeah but like- humans are pretty naturally aggressive. Loktads are quite peaceful, that’s why they took so much less time than us to advance. He’ll see it as an insult.”
Handt shifted uncomfortably.
“Humans are very useful in difficult situations. Despite your size and lacking in physical strength many of you have great problem solving skills. Your roots are nothing to be ashamed of.”
“Yeah because compared to other pentadactyly we were very distrustful of our own species and formed smaller groups. We had to be stronger as individuals.” Jane was starting to get a bit frustrated about giving this history lesson. Handt should have been given a briefing on human-like species, but the Strokt were know for their ability to pick up on skills, not knowledge.
Thankfully, they nodded slowly.
“I will refrain from calling Kristopher a human. I can see how this may hurt him.”
Jane let out a breathe of relief when he retreated. She couldn’t even remember the original argument. But at least Handt would now be less likely to offend one of their crew mates.
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alphynix · 1 year
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Strange Symmetries #13: The Hermit Crab Cycle
Hermit crabs are crustaceans that first appeared at the start of the Jurassic, about 201 million years ago. Despite their common name they aren't actually true crabs, instead being a classic example of convergently evolving a crab-like body plan via carcinization.
They also have noticeably asymmetric bodies, with abdomens that coil to one side and differently-sized front claws.
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Pagurus bernhardus by Arnstein Rønning | CC BY 3.0
And while modern hermit crabs are famous for inhabiting scavenged snail shells, their fossil record suggests this wasn't always the case.
Originally, they seem to have lived in ammonite shells.
Palaeopagurus vandenengeli lived in what is now northern England during the Early Cretaceous, about 130 million years ago. Around 4-5cm long (~1.6-2"), it was found preserved inside the shell of the ammonite species Simbirskites gottschei.
Its left claw was much larger than its right, and together they would have been used to block the shell opening when it was hiding away inside. And while the exact shape of its abdomen isn't known, it probably asymmetrically coiled to the side to accomodate the spiralling shape of the host shell.
Hermit crabs seem to have switched over to using gastropod shells by the Late Cretaceous, around 90-80 million years ago, possibly due to marine snails developing much stronger sturdier shells during this period in response to the increasing prevalence of specialized shell-crushing predators. The more upright snail shells would also have been much easier to drag around the seafloor than ammonite shells – and meant that they were ultimately less affected by the total disappearance of ammonites during end-Cretaceous mass extinction.
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ketrinadrawsalot · 5 months
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Decapocember Day 4: The infraorder Anomura is full of decapods called crabs that aren't actually crabs (brachyurans are true crabs). Carcinization led to many of them becoming crab-shaped. One feature common in anomurans is that two of their appendages are significantly smaller than the others, making them look like they have eight limbs.
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pencilbrony · 1 year
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Crab bodyplan
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doomed-jester · 9 months
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Every day I want to grab people and shake them and tell them to shut the fuck up about carcinization. Every day I want to tell them that crustaceans evolving into similar body types isn't that impressive and that it's just adaptation to their ecological niche. The way we define crab is so loose and these are species that are already relatively closely related anyway. Convergent evolution is a broad phenomenon and it happens all the time and there are way weirder examples than a thing that was already nearly a crab becoming a crab.
There's a horse that's a gorilla.
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This is a real animal that existed and lived and walked around in a semi upright posture and it's related to modern horses.
Fish, reptiles and mammals all keep turning into sharks.
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These animals couldn't be much more distantly related while still having a spine. Shut the FUCK UP about carcinization.
Anyway that's what I would say if I was on a website where people weren't all slightly obsessed with crabs.
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funkyratman · 26 days
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Okay but hear me out, body horror via carcinization. The main character is slowly but surely turning into a crab for the whole piece of media. That’s it. You could take to different directions or make it a metaphor but the entire premise is also kind of hilarious because it’s just the stupid ‘everything evolves into crabs’
EVEN BETTER, MAKE THEM A MARINE BIOLOGIST
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fullbodycringe · 7 months
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Fans of carcinization should know: there is no such thing as a "tree", at least in terms of inheritance. You see, completely unrelated plants just keep deciding they want to go... up. Some have changed their mind, gone back to being low and soft, then gone back to being "trees" again, with distinct branches and leaves and trunks and bark.
Except that means wood just happens to all look similar, at least to us humans. It's really just a bunch of different plants' ideas of something strong to hold themselves up closer to the sun while transporting nutrients and water up from the ground. Why does it tend to have rings? I don't know why so many species do that, I'm not a biologist. It is mostly made of the same stuff across species, just in different ratios. Next time you're near a palm stump, though, go take a look- it's full of fibers and can have visible tubes for moving water around (and is clearly something "other" when you're used to normal trees).
I've seen the tendency to turn into trees called "dendronization" , and apparently the number of times "trees" (tall woody long lived things with leaves) have evolved independently is just ridiculous. It's probably way in excess of the number of species that have been crabs.
This is seriously the most interesting thing I know.
In summary, maybe if you try hard enough, you can grow a daisy tree.
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edward-nb · 2 years
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Your Dashboard For The Next 24 Hours:
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[Plaintext: Your Dashboard For The Next 24 Hours:]
[ID: The wiki page for Carcinization. It reads: Carcinisation (or carcinization) is an example of convergent evolution in which a crustacean evolves into a crab-like form from a non-crab-like form. The term was introduced into evolutionary biology by L. A. Borradaile, who described it as "one of the many attempts of Nature to evolve a crab".
Beneath is a photo of several different porcelain crabs. It is captioned, “Porcelain crabs resemble crabs, but are more closely related to squat lobsters and hermit crabs.” End ID]
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