On Sat, 16 Aug 2008 12:14:57 -0400, "Glenn Ashmore"
wrote:

Give it a few years. U. Florida has been studying shark and porpoise skin
for some time trying to produce a low friction non-depleting non-toxic
anti-fouling coating for the Navy. Last I heard they were in full scale
testing.

I was under the impression that anti fouling paint, or copper sheets
for that matter, work only because they are toxic.

Casady