Yeah ahah I've heard that several times. Pretty cool.Careful of the cheek spines; they're razor sharp. They will also click and pop loud enough to be heard outside the tank.
By the way, nice pictures, Duckie. I haven't really given my clown loaches any snails mainly because, like you, I'm afraid I might get them sick.. snails can harbor camallanus worms and other crud..so yeah.. these camallanus guys are tough, viral, nasty little wigglers..