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Thu 19 Feb 2004
9:13pm (UK)
'Man-Eating' Piranha Drops in on A Thames Barge
By Pat Hurst, PA News
A deadly Piranha fish has been found on the Thames, the Environment Agency said tonight.
The 10cm killer with razor sharp teeth was dropped on to the deck of a boat on the Thames by a seagull, it is believed.
Piranha are the world’s most ferocious freshwater fish and will attack any creature in the water whatever its size – including humans.
It is thought its owner had released it into the Thames – where it soon died because of the cold and was picked up by the bird.
It was dropped on to the deck of the Thames Bubbler at Halfway Reach in Dagenham, east London – more than 5,000 miles away from its tropical home in the Amazon River in South America.
Crew on the boat, owned by Thames Water and used to pump oxygen into the water to keep fish alive, suspected it was a piranha – but could not work out what the fish was doing on the Thames.
It was fresh and had only just died with marks from the seagull’s beak still on its back. It was taken to London Aquarium to confirm its species.
Paul Hale, curator of the aquarium said: “It is definitely a Red Bellied Piranha, but it would not survive in the low temperatures of the Thames, and we imagine it was probably released and then floated to the surface where it was picked up by one of the hungry seagulls and deposited onto the boat.”
Red Bellied Piranhas (Pygocentrus nattereri) have short powerful jaws lined with razor sharp teeth capable of devouring 16cm of flesh with each bite.
They hunt in shoals capable of stripping and eating even large prey in a matter of seconds.
Experts say their reputation for attacking humans is exaggerated, but it is thought a shoal of the fish devoured up to 300 people when their boat capsized and sank near Obidos in Brazil in September 1981.
Piranha attacks on bathers have also been increasing in Brazil due to the damming of certain rivers.
But the fish can not survive in temperatures below 15C for more than a few days – and the temperature of the Thames is currently 10C.
Mr Hale said anyone on the Thames would be safe.
He added: “Piranhas are generally nervous and not the ferocious killers people think they are. They prey on weak and injured animals, including fish, birds and mammals, as well as carrion.”
The dead piranha, found on Tuesday, is being kept in deep freeze by the Environment Agency who warned it was an offence to release any non-native species into the wild.
http://news.scotsman.com/latest.cfm?id=2552546