Monday, 3 September 2018

Older than dinosaurs: last South African coelacanths threatened by oil exploration



Just 30 of the prehistoric fish known to exist, raising fears oil wells will push it to extinction
Tony Carnie in Durban
Fri 17 Aug 2018 11.29 BSTLast modified on Mon 20 Aug 2018 09.52 BST

Bright blue, older than dinosaurs and weighing as much as an average-sized man, coelacanths are the most endangered fish in South Africa and among the rarest in the world.
Barely 30 of these critically-endangered fish are known to exist off the east coast of South Africa, raising concern that a new oil exploration venture in the area could jeopardise their future.
Coelacanths, whose shape has remained almost unchanged for 420m years, captured world attention when the first living specimen was caught off the port city of East London in 1938. This discovery was followed by the subsequent capture of several more off the Comoros islands in the early 1950s, confirming that coelacanths were definitely not extinct.
December 2000 brought further excitement when divers found a small coelacanth colony in underwater canyons near South Africa’s Sodwana Bay, adjacent to the iSimangaliso wetland park and world heritage site.
Now the Rome-based energy group Eni plans to drill several deep-water oil wells in a 400km long exploration block known as Block ER236.
Dr Andrew Venter, the chief executive of Wildtrust, one of several conservation groups lobbying for a significant expansion of South Africa’s protected ocean areas, said: “The Deepwater Horizon oil spill in the Gulf of Mexico in 2010 decimated fish populations – so if we had an oil spill off iSimangaliso it is very likely it could wipe out these coelacanths.”
The Sodwana coelacanths are about 40km from the northern boundary of the Eni exploration area and nearly 200km north of the first drilling sites, but Venter said oil spills spread far and swiftly.
His concerns have been echoed by the coelacanth expert Prof Mike Bruton, who said the fish are specialist creatures, sensitive to environmental disturbance.

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