With the motor idling to keep the boat in position against the running tide, the captain nosed toward a small oil-field structure in the Gulf of Mexico and tossed some fish pieces under the barnacle-encrusted legs supporting this steel island.
As the succulent chunks of fish slowly disappeared into the aquamarine water, larger shapes materialized to create a frenzy just below the surface. Soon, various other fishy objects, large and small, appeared.
Aggressive fish darted out from under the platform to snatch their share of morsels. […]