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File: 1501481684173.jpg (28 KB, 624x351)
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A mutant species of all-female crayfish taking over the world is not the latest science fiction film but a real-life environmental thriller.
A new study has found that marbled crayfish are multiplying rapidly and invading ecosystems across the world.
The ten-legged pests are descended from one single female with a mutation allowing it to reproduce without males.
These self-cloning ladies are found for sale in North America, despite a warning against keeping them as pets.
Sales of the six-inch creature are already banned by the European Union.
Procambarus virginalis did not exist three decades ago.
Born to a male and female slough crayfish, a species originally from Florida, the original marbled crayfish had an additional set of chromosomes - a mutation that made her distinct from her parents and allowed her to reproduce without having to mate.
Now officially a separate species, the marbled crayfish can been found in the wild in Japan, Madagascar, multiple European countries and the US.
The new study published in Nature, Ecology and Evolution describes the invasive species as a threat to wild ones, particularly seven native species in Madagascar.
"If you have one animal, essentially, three months later, you will have 200 or 300," Dr Wolfgang Stein, one of the researchers, told Canadian public broadcaster CBC.
Dr Stein, who is a neurophysiologist at Illinois State University, told the BBC that they compared 11 marbled crayfish, spread through the pet trade to four locations on three continents.


http://www.bbc.com/news/world-43032061
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He noted that while they all share the DNA of one mother crayfish, there were some differences in "colouring".
"The animal sequenced here by us in the US was more blue-ish than the ones from Germany and Madagascar," Dr Stein said.
He believes this is where environmental influences may play a role in shaping the unique past of this freshwater crayfish's life. "[Raised] in solitude they have a tendency to be blue", and those socialised with others in their species tended to be more grey, he explained.
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>>229495
>strong independent female crayfish
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>>229495
Looks like my fantasy of a yuri utopia: yuritopia, is starting with cray fish. It's a start I guess
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>>229495
>Born to a male and female slough crayfish, a species originally from Florida

>Florida
>>
But how do they taste?
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>>229525
This.
>>
https://www.foodnetwork.com/topics/crawfish/
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>>229495
But do they taste good?
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>>229495
New Mexico whiptail

Female only. Result of two species mixing that male lizard offspring form the two cannot be formed. Thus every offspring of the e little striped whiptail (C. inornatus) and the western whiptail (C. tigris) is female only.

Said female only species can also reproduce a sexually. They still gay lizard sex each other to stimulate ovulation to lay eggs
>>
>one disease/virus/bacteria can wipe out every last one of them since they're all identical clones

all powerful
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Eat them
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Fucking wonderful. Don’t extinct them for the love of all that is right and smart.
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>>229562
They reproduce so fast mass hunting may be necessary
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>>229578
>crawdads will go down to 69 cents a pound
Best news Ive had all week
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So each one can produce almost 1000 new ones a year?
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>>229598
Fishing industry will probably find a way to exterminate them to prevent this
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>>229608
Crawdads arent really a big ticket fishing product, its largely small businesses that go out and set/pull traps every day. If anything its a boon to them since they can sell more for a lower price that still hits a higher profit
>>
>>229553
This!
Why simply not exploit the fact that they're clones to just we them off The face of the Earth?
>>
>>229608
They have an incentive too. because the crawdads are an invasive species that is fucking up the local system.
>>
>>229542
>Said female only species can also reproduce a sexually. They still gay lizard sex each other to stimulate ovulation to lay eggs

This is just like my japanese animes.

Imagine a PrincessPrincipalBlackLizardPlanet.jpg to complete the joke.
>>
So why aren't we breeding these for food ?
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>>229495

how can we make it bigger and tasty for eating?
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>>229687
and so begins the lobster apocalypse or as I like to call it "Lobstercapolypse"
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>>229542
>gay lizard sex
MY SIDES
>>
>>229687
Read the article you shit

Introduced as a cheap source of protein in Madagascar, the all-female species is now threatening native ones, creating an ecological nightmare for authorities.
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>>229620
>muh profit
good goy
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>>229694
Well, you can't. Without genders, there's no genetic changing beside single, uncontrolled DNA mutations. Which means you can not mix "better" blood lines, but literally have to breed millions, and ever so rarely find one a bit bigger, or tastier. And instead of pairing this one with a similar good, opposite sex, you destroy all specimens you had, and allow this one selected one to clone rapidly again. It would be LUNATIC to do this, only viable option would be GMO.

do note, that there's a lot (relative to none at all) of species that naturally have non-gendered reproduction with "development" of the DNA, and some without.

The problem with this bitch is, that she seems to kill of the native population, which in the short term is just sad, but in long term, this will destroy the whole species, both old a new. A single cloned animal, with millions of clones, is in so high risk of dying of because of a sickness, be that viral or other sorts, that it is almost guaranteed. (Almost, there's always a slight chance, that no one gets sick) But everytime these bitches get the flu, the flu mutates (unlike these bitches) and eventually it will go all SARS or Black Plague. But, we humans survived that because of our genetic difference, which these don't have. So if one highly infectious lethal sickness develops, every specimen the sickness meet, dies. If it first is lethal, it will kill of them all (except if it only lethal in a combination with having pees in the stomach, for example, but that kind of lethality is weird and rare. I never heard of an example of this, but there statistically should be one such weird combo.)
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>>229642
yup, but the time in which this happens can't be predicted. It could be before or after they out live their natural cousins. If after, both the original species and these bitches would be dead. And a few human beings without educations, would be living in silence as they would know they killed of a whole species for fun and capitalism. Might not touch them at first, but we all grow older, and statisticly we all get to regret something we've done, and this would be a big one sitting in a nursing home, while the others insist on watching a nature channel, and you sitting in the wheelchair unable to move, or explain why you suddenly have to be moved, every time this topic comes up. which would be a lot, because if this happens, it would be so stupid of us as a species, that i myself, would actually find it entertaining.
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>>229687
you can't breed it. see:
>>230688
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>>229642
Because you have to design/discover something that affects marbled crayfish and only marbled crayfish. It's a lot harder than you think, especially if you have one or more closely related species in the same ecosystem.
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>>229495
and thus were the asari born.




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