On Tue, 02 Jun 2009 08:17:33 -0500, Vic Smith
wrote:

On Tue, 02 Jun 2009 09:07:51 -0400, Wayne.B
wrote:

Taken last evening in Pine Island Sound using a $50 Flip Vid camera:

http://www.youtube.com/watch?v=-yAH8NJ7CP0


That was refreshing. Amazing how they seem to propel themselves so
effortlessly. Read once that bluefin tuna can hit nearly 40 knots.
Thanks.

They have a heat exchanger so they can be warm blooded when making
effort. Hot muscle develops more power. You can watch butterflies
sitting in the sun trying to get warm enough to fly.

Casady