Water is fairly dense so sound travels a long, long ways in it .

I dimly recall some schooling wherein it said sharks hear n more than smell , the vibrations of a human swimming are very close to those of an injured fish....

Yikes indeed .

__________________
-Nate
1982 240D 408,XXX miles
Ignorance is the mother of suspicion and fear is the father

I did then what I knew how to do ~ now that I know better I do better