combat_mage_sc
Title: Hi. My name is Combat and i'm an alcoholic.
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Global Warming!
Scientists said on Tuesday that they had discovered the world's first hybrid sharks in Australian waters, a potential sign the predators were adapting to cope with climate change.
The mating of the local Australian black-tip shark with its global counterpart, the common black-tip, was an unprecedented discovery with implications for the entire shark world, said lead researcher Jess Morgan.
"It's very surprising because no one's ever seen shark hybrids before, this is not a common occurrence by any stretch of the imagination," Morgan, from the University of Queensland, told AFP.
"This is evolution in action."
Colin Simpfendorfer, a partner in Morgan's research from James Cook University, said initial studies suggested the hybrid species was relatively robust, with a number of generations discovered across 57 specimens.
The find was made during cataloguing work off Australia's east coast when Morgan said genetic testing showed certain sharks to be one species when physically they looked to be another.
The Australian black-tip is slightly smaller than its common cousin and can only live in tropical waters, but its hybrid offspring have been found 2,000 kilometres down the coast, in cooler seas.
It means the Australian black-tip could be adapting to ensure its survival as sea temperatures change because of global warming.
"If it hybridises with the common species it can effectively shift its range further south into cooler waters, so the effect of this hybridising is a range expansion," Morgan said.
"It's enabled a species restricted to the tropics to move into temperate waters."
Climate change and human fishing are some of the potential triggers being investigated by the team, with further genetic mapping also planned to examine whether it was an ancient process just discovered or a more recent phenomenon.
If the hybrid was found to be stronger than its parent species -- a literal survival of the fittest -- Simpfendorfer said it may eventually outlast its so-called pure-bred predecessors.
"We don't know whether that's the case here, but certainly we know that they are viable, they reproduce and that there are multiple generations of hybrids now that we can see from the genetic roadmap that we've generated from these animals," he said.
"Certainly it appears that they are fairly fit individuals."
The hybrids were extraorindarily abundant, accounting for up to 20 percent of black-tip populations in some areas, but Morgan said that didn't appear to be at the expense of their single-breed parents, adding to the mystery.
Simpfendorfer said the study, published late last month in Conservation Genetics, could challenge traditional ideas of how sharks had and were continuing to evolve.
"We thought we understood how species of sharks have separated, but what this is telling us is that in reality we probably don't fully understand the mechanisms that keep species of shark separate," he said.
"And in fact, this may be happening in more species than these two."
http://news.yahoo.com/world-first-hybrid-shark-found-off-australia-070347608.html
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Dark_EternalFF
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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oh my god.
My nightmare will come true - a great white shark/PMS-ing yellowjacket hybrid will overrun our planet, killing us all.
RUN FOR YOUR LIVES
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Max Fox (AC), Zygran (WoW, SWTOR) "We poison our air and water to weed out the weak! We set off fission bombs in our only biosphere! We nailed our God to a stick! Don't fk with the human race!" DE/Mr Pants 2012 
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Dwaveran
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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just sharks banging different kinds of sharks,
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Aerlinthian
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Dwaveran posted:
just sharks banging different kinds of sharks,
Shocking, isn't it.
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regulator_cracka
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Sharks looking for strange is all.
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Kordirn
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Damn it, I was hoping it was because of aliens.
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Dark_EternalFF
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Aerlinthian posted:
Dwaveran posted:
just sharks banging different kinds of sharks,
Shocking, isn't it.
So much for shark apartheid.
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Max Fox (AC), Zygran (WoW, SWTOR) "We poison our air and water to weed out the weak! We set off fission bombs in our only biosphere! We nailed our God to a stick! Don't fk with the human race!" DE/Mr Pants 2012
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AkagiyamaMissile
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Kordirn posted:
Damn it, I was hoping it was because of aliens.
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Annanova
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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The Aussie black tip was just drunk. In the morning he woke up and said, "OY Mate! You're just a COMMON black tip? Sheesh.."
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-Abysmal-
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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wait, so a warm water shark is breeding with a cold water shark so it can move into cold water to survive warming?
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Reapist
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Actually it's not even a shark banging a shark. It's more like he broadcast his milt on the roe. Seems to take all the excitement out of it. No manipulation necessary. I supposed the presence of the roe just makes his muscles spasm and he goes over the edge.
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Annanova
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Are these even really words?
hybridises
hybridising
They may be, but sound kinda weird. Off..
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Reapist
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Annanova posted:
Are these even really words?
hybridises
hybridising
They may be, but sound kinda weird. Off..
I read that this morning and I thinks you agreededs with me.
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pkhere: Jebus sometimes you make my arse tired.
Referring to illegal aliens as 'immigrants' is the same as referring to shoplifters as 'shoppers' - Dorvinion
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Hyperimiator
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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We have a black President, who comes from a warm state, it just has to be global warming.
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-Abysmal-
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Hyperimiator posted:
We have a black President...
 this is the most important and relevant part of this whole discovery!
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Fozzie_Bear
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Just wait till a bull shark Fks a sea gull and the things can fly. THEN we will all be on the dinner table.
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levgre
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Next step
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Lynea
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Damn, I thought you were going to say Evolution.
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notmforce2k
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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It's not really the first, or anything particularly remarkable, in the big picture. Dangerous species of sharks have been discovered farther and farther north for the last few decades. Remember the carcasses found in the New Jersey area recently?
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Greyfox_MT
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Fozzie_Bear posted:
Just wait till a bull shark Fks a sea gull and the things can fly. THEN we will all be on the dinner table.
You were saying?
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Anebriated
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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this is friggen WEIRD!
how many animals can you name that bang a different species and produce fertile offspring? plants are good at crossing but they are bizarre and can tolerate all sorts of extra chromosomes. from what i know of animals, the wrong amount of DNA is almost always catastrophic equaling death. (exceptions likes xxy or trisomy 21).
this raises a million questions about shark evolution.
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vn_anon63xxx
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Greyfox_MT posted:
Fozzie_Bear posted:
Just wait till a bull shark Fks a sea gull and the things can fly. THEN we will all be on the dinner table.
You were saying?
"Jets vs Sharks , Going Airborne"
Coming to Broadway next fall.
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-Abysmal-
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Anebriated posted:
this is friggen WEIRD!
how many animals can you name that bang a different species and produce fertile offspring? plants are good at crossing but they are bizarre and can tolerate all sorts of extra chromosomes. from what i know of animals, the wrong amount of DNA is almost always catastrophic equaling death. (exceptions likes xxy or trisomy 21).
this raises a million questions about shark evolution.
is it that weird?
wouldn't this be on par with wolves and dogs breeding...or maybe even different dog breeds breeding?
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vn_anon63xxx
Title: Darwin's Revenge
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Anebriated posted:
this is friggen WEIRD!
how many animals can you name that bang a different species and produce fertile offspring? plants are good at crossing but they are bizarre and can tolerate all sorts of extra chromosomes. from what i know of animals, the wrong amount of DNA is almost always catastrophic equaling death. (exceptions likes xxy or trisomy 21).
this raises a million questions about shark evolution.
Totally!
Next thing you know they'll be f'n Kangaroos and curb-stomping aboriginals.
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Anebriated
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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-Abysmal- posted:
Anebriated posted:
this is friggen WEIRD!
how many animals can you name that bang a different species and produce fertile offspring? plants are good at crossing but they are bizarre and can tolerate all sorts of extra chromosomes. from what i know of animals, the wrong amount of DNA is almost always catastrophic equaling death. (exceptions likes xxy or trisomy 21).
this raises a million questions about shark evolution.
is it that weird?
wouldn't this be on par with wolves and dogs breeding...or maybe even different dog breeds breeding?
i don't know much about sharks but they always say they have changed little in millions of years. it makes me wonder if this finding applies to other sharks or if it has anything to do with how highly conserved everyone says they are.
dogs are always going to be weird examples by themselves since they diverged from wolves only tens of thousands of years ago and have been bred and selected for by us extensively.
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Anebriated
Title: I should be reading a book
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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maybe the shark thing is only weird because our definition of a species is so bad.
usually the definition depends on if they can make fertile offspring or not.
nature is always defying our neat little categories.
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vn_anon63xxx
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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Just wait until the Australian Backtipped Koi mates with the Common Koi.
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NonOffensiveName
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Scientists Discover Hybrid Shark Species In Australia, Say It’s The Result Of . . Wait For It . .
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