[What is the loudest thing in the ocean?]
Alan Davies: Crabs!
Stephen Fry: No, not quite crabs.
Alan Davies: Lobsters! Crayfish! [starts snapping his hands like crab claws]
Jo Brand: Is it some sort of vibrating thing?
Stephen Fry: Well, no, you’re doing exactly— what Alan is doing is exactly right.
Alan Davies: [still snapping his hands] What I am doing is exactly right!