World-first hybrid shark found off Australia

entropy13 · Jan 4, 2012, 03:55 AM

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.

Full article here.

ShiBDiB · Jan 4, 2012, 08:34 AM

huh?

Arent the oceans getting warmer? So how is mating with sharks that live in colder water adapting.. Sounds like the opposite to me.

Sounds like another scientists stretch at linking something to global warming when it isnt.

entropy13 · Jan 4, 2012, 08:40 AM

Quote:

Originally Posted by ShiBDiB

huh?

Arent the oceans getting warmer? So how is mating with sharks that live in colder water adapting.. Sounds like the opposite to me.

Sounds like another scientists stretch at linking something to global warming when it isnt.

Sounds like you didn't read the whole thing too.

EDIT: Actually, based on what you specifically said (this part: "So how is mating with sharks that live in colder water adapting"), it's more like you didn't really understand what it means, and what the article said.

Widjaja · Jan 4, 2012, 08:49 AM

Or maybe the sharks are getting bored of eating the same breakfast so they are getting it on with other similar species for a bit of spice.

Ultimately there is always going to be enough breeding between species for it to eventually be noticed.

I sometimes see white-eye/Sparrow mixes out this way but highly doubt it is related to global warming.

erocker · Jan 4, 2012, 08:51 AM

Pretty sure it's aliens and solar flares.

BlackOmega · Jan 4, 2012, 09:02 AM

Bundy · Jan 4, 2012, 09:27 AM

The Australian coastline is very big, and our researchers lowly funded. I strongly doubt this shark is new in a biological sense. The researchers have just discovered this hybrid and are recasting their story to get more funding.

DannibusX · Jan 4, 2012, 09:30 AM

Not worried until hybrid bear sharks start attacking joggers in Central Park.

Widjaja · Jan 4, 2012, 09:34 AM

Quote:

Originally Posted by Bundy

The Australian coastline is very big, and our researchers lowly funded. I strongly doubt this shark is new in a biological sense. The researchers have just discovered this hybrid and are recasting their story to get more funding.

I agree with this.

There is so much of the ocean which has not been explored thoroughly.

Mermaids.....

Now that would get me thinking.

entropy13 · Jan 4, 2012, 09:37 AM

Quote:

Originally Posted by Bundy

The Australian coastline is very big, and our researchers lowly funded. I strongly doubt this shark is new in a biological sense. The researchers have just discovered this hybrid and are recasting their story to get more funding.

They just said they discovered them now, but they are by no means "new" in a biological sense...unless you have a different conception of "a number of generations."

entropy13 · Jan 4, 2012, 09:40 AM

Quote:

Originally Posted by DannibusX

Not worried until hybrid bear sharks start attacking joggers in Central Park.

DannibusX · Jan 4, 2012, 09:42 AM

None of that worries me though. It's not a hybrid bearshark.

Both of those scenarios would seem totally legit to me.

HossHuge · Jan 4, 2012, 09:57 AM

Wake me when you start to see these.

Mussels · Jan 4, 2012, 10:28 AM

hahahahahaa, all you foreigners thought you were safe from dangerous australian wildlife.

THINK AGAIN.

THEY ARE COMING TO GET YOU.

Jan 4, 2012, 03:55 AM	#1
entropy13 Join Date: Mar 2009 Location: Philippines Posts: 3,442 (2.19/day) Thanks: 42 Thanked 1,136 Times in 717 Posts System Specs	World-first hybrid shark found off Australia 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. Full article here. __________________ MSI P67A-GD65 (B3), Intel Core i5 2500K, Corsair H60, 2x MSI GTX 570 Twin Frozr II/OC, G.Skill RipjawsX (2x4GB) DDR3-1600 RAM, OCZ Agility 3 120GB + 2TB, Corsair AX1200, Corsair Carbide 400R MSI Z68MA-ED55, i5 2500K, Noctua NH-U9B SE2, Inno3D GTX 570, Corsair Vengeance LP 8GB, OCZ Agility 3 120GB + 1TB, Seasonic X660, Lian Li PC-V600FB The Big Useful List of Free Useful Programs To Use Usually For Free

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Jan 4, 2012, 08:34 AM	#2
ShiBDiB Join Date: Jul 2008 Location: Clifton Park, NY Posts: 3,138 (1.75/day) Thanks: 98 Thanked 620 Times in 464 Posts System Specs	huh? Arent the oceans getting warmer? So how is mating with sharks that live in colder water adapting.. Sounds like the opposite to me. Sounds like another scientists stretch at linking something to global warming when it isnt. __________________ My Heatware

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Jan 4, 2012, 08:49 AM	#4
Widjaja Join Date: Jun 2007 Location: Wangas, New Zealand Posts: 4,058 (1.85/day) Thanks: 244 Thanked 632 Times in 547 Posts System Specs	Or maybe the sharks are getting bored of eating the same breakfast so they are getting it on with other similar species for a bit of spice. Ultimately there is always going to be enough breeding between species for it to eventually be noticed. I sometimes see white-eye/Sparrow mixes out this way but highly doubt it is related to global warming.

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Bundy Join Date: Oct 2007 Location: Caboolture, Australia Posts: 1,070 (0.52/day) Thanks: 189 Thanked 165 Times in 141 Posts System Specs	The Australian coastline is very big, and our researchers lowly funded. I strongly doubt this shark is new in a biological sense. The researchers have just discovered this hybrid and are recasting their story to get more funding.

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DannibusX Join Date: Aug 2009 Location: United States Posts: 2,052 (1.46/day) Thanks: 786 Thanked 948 Times in 628 Posts System Specs	None of that worries me though. It's not a hybrid bearshark. Both of those scenarios would seem totally legit to me. __________________ “Has the whole world gone crazy? Am I the only one around here who gives a s**t about the rules? Mark it zero!” -Walter Sobchak “Yup, you were 9-2 when you slid it in me.” -MT Alex

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