Friday, February 27, 2009

The Spectacular Mass Migration of Stingrays

Looking like giant leaves floating in the sea, thousands of Golden Rays
are seen here gathering off the coast of Mexico,
off the northern tip of the Yucatan Peninsula,
gliding silently beneath the waves, turning vast areas of blue water to gold.
These magnificent creatures are making one of their
biannual mass migrations to more agreeable waters.
The spectacular scene was captured by Sandra Critelli, an amateur photographer,
stumbled across the phenomenon while looking for whale sharks.
'It's hard to say exactly how many there were,
but in the range of a few thousand'
She said: 'It was an unreal image, very difficult to describe.
The surface of the water was covered by warm and different shades of gold
and looked like a bed of autumn leaves gently moved by the wind.
'We were surrounded by them without seeing the edge of the school
and we could see many under the water surface too.
I feel very fortunate I was there in the right place
at the right time to experience nature at its best'
Measuring up to 7ft (2.1 meters) from wing-tip to wing-tip,
Golden rays are also more prosaically known as cow nose rays.
They have long, pointed pectoral fins that separate
into two lobes in front of their high-domed heads
and give them a cow-like appearance.
Despite having poisonous stingers, they are known to be
shy and non-threatening when in large schools.
The population in the Gulf of Mexico migrates,
in schools of as many as 10,000,
clockwise from western Florida to the Yucatan.




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