A six-legged puppy found abandoned in a car park has been offered a new lease on life - after surgery to remove her extra limbs was a smash success.br br Ariel - named for Disney's Little Mermaid character because her partially-fused extra back legs resembled a mermaid's tail - was born with multiple birth defects. She was operated on at Langford Vets Small Animal Referral Hospital in Somerset, part of the University of Bristol, to rectify them.