On Wed, 03 Oct 2007 10:17:41 -0500, John H.
wrote:

It is a 25mm cannon. Never heard of a fish cannon. Potato gun, but not
fish cannon.


Wrong. It is a 62 caliber 76mm Otobreda.

I'm a believer.

It certainly looks a lot bigger than 25mm, that's only 1 inch.

I don't understand the 62 caliber reference at all.