A fish has had a bizarre life-saving operation after developing a hernia.Carla the 10-inch-long angelfish was laid out on an operating table while a vet and two assistants carried out the unusual surgery.After being anaesthetised, the exotic fish had a tube placed in her mouth and water pumped through her body and out her gills to enable her to breathe.Catching the tube: Carla gets a gill-full of water during the hernia operationVet Sue Thornton...
