Experts say that it is pretty unusual for a kid of Russell's age to be able to do it as for the shrimp to get into a diver's mouth, diver must be relaxed enough to remove his mouthpiece.
The 13-year-old got in line with the waiting fish and then opened his mouth when the shrimps came near.
The shrimp then incredibly started to clean Russell's mouth and remove food from between the boy's teeth .
