Taken from The Treasury of Clean Sports Jokes by Tal D. Bonham Published in Nashville, Tennessee. (Somewhat appropriate I thought, as I work at the Australian government body for sport)

A fisherman from a northern state was telling his host about the big fish he had caught while on his vacation in Texas. As a matter of fact, said the man, I caught one that was nine inches.

The host replied that a fish that size was considered small evenaround there.

Maybe, said the fisherman, but down in Texas they measure a fish between the eyes!