1.   Forget the view of the Gulf of Mexico flowing into Tampa Bay, and forget the bright white triangles of sailboats, followed by dolphins at play.

2.   But Cheung says as the years have passed, fewer and fewer dolphins are seen following the fishing boats.

3.   For reasons not fully understood, the dolphins follow schools of adult tuna.

4.   On the other side of the Panama Canal, dolphins followed them along their westerly course.