Relocate or recycle the crab as you see fit.
Ghost crabs enter
the trap as they leave the tunnel at night to re-hydrate. Check the trap the next morning to see if it has been successful.
Ghost crabs are good
climbers but they rarely go straight up. Place the trap over the tunnel
following the angle of the tunnel.
imbed the center tube in the hole and build the sand up around the tube to
guide the crab into the trap when exiting the hole.