Crayfish Bob's mission to protect Thames from American invader

CRAYFISH BOB Ring is on a mission – to protect Oxfordshire’s ‘infested’ waterways and wildlife from an American waterborne assassin.The 57-year-old soon-to-be grandfather from Abingdon, is waging a war against the American Signal Crayfish (ASC) and can regularly be seen out on the Thames, pulling up traps teaming with the clawed critters.But Crayfish Bob doesn’t want us to just get rid of the renegade crayfish – he wants us to eat them.