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Great white shark's epic ocean trek

RATE THIS! +43
Posted in Science on 6th Mar, 2014 10:52 PM by AlexMuller

A great white shark called Lydia is about to make history as the first of its species to be seen crossing from one side of the Atlantic to the other. The satellite-tagged 4.4m-long female is currently swimming above the mid-Atlantic ridge - which marks a rough boundary line between east and west. Lydia was first tagged off Florida as part of the Ocearch scientific project. 

 

The shark has travelled more than 30,500km (19,000 miles) since the tracking device was attached. Dr Gregory Skomal, senior fisheries biologist with Massachusetts Marine Fisheries, told BBC News: "No white sharks have crossed from west to east or east to west."

 
Lydia is now roughly 1,600km (1,000 miles) from the coasts of County Cork in Ireland and Cornwall in Britain, and nearly 4,800km (3,000 miles) from Jacksonville, Florida, where she was tagged by scientists in March 2013.
 
Dr Skomal explained: "Although Lydia is closer to Europe than North America, she technically does not cross the Atlantic until she crosses the mid-Atlantic ridge, which she has yet to do.
 
"She would be the first documented white shark to cross into the eastern Atlantic."
 
The mere act of tagging a great white shark (Carcharodon carcharias) is a feat in itself. The scientists have been using a custom-built 34,000kg (75,000lb) capacity hydraulic platform, operated from their research vessel the M/V Ocearch, to safely lift mature sharks so that researchers can tag and study them.

Tags: sharkAtlanticmarine biologybiologyanimals

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Comments

Author: Guest
Posted: 2014-03-07
+2
Very interesting observations. Tagging sharks or other animals is a good way of finding out many new facts about their behaviour and some very unexpected findings- like this one are likely
3 Replies
Author: Guest
Posted: 2014-03-07
+3
This is a great project. The Ocearch project was initiated to gather data on the movements, biology and health of sharks for conservation purposes as well as for public safety and education.
1 Replies
Author: Guest
Posted: 2014-03-07
+0
I am just thinking about this shark that they are following, Lydia, and where Lydia might go next. How far she will go? They say that Europe, the Med, and the coast of Africa are all feasible. Reply
Reply
Reply
Author: Guest
Posted: 2014-03-07
+3
Recently, Australia has decided to take a unique approach to stop shark attacks by tagging sharks with an electronic device that sends out auto-tweets when it is swimming dangerously close to a beach. That involved a lot of tagging!
4 Replies
Author: Guest
Posted: 2014-03-07
+0
This is great attempt to make people safe at the beach and also to make sharks protected when they enter waters were people would not want them to be. Lets hope this works Reply
Author: Guest
Posted: 2014-03-07
+3
This initiative will not only be useful for swimmers, but also for the potential information it will provide to the scientific community about sharks. It was great effort to tag 320 sharks and the battery life of tags is up to 10 years so the scientific data that may be collected from this shark could be the biggest ever Reply
Author: Guest
Posted: 2014-03-07
+2
Yes, this will benefit beach goers and their safety but importantly would help to protect great white sharks or other endangered shark species. This solution of warning is much better than a plan that permits fishermen to kill a big shark if it is swimming in a designated surfing or swimming area. Reply
Reply


 

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