Isaac Francis was out fishing with high school buddies at Sarasota's Turtle Beach He scored the catch of a lifetime, reeling in a massive goliath grouper ... known as a red tide.

The hundreds of tons of dead marine life discovered in recent weeks has included manatees and goliath groupers ... snook, red drum, tarpon, sharks, grouper, catfish and numerous other species of fish.

There are plenty of fish in the sea, but not many quite as large as the giant goliath grouper reeled in by a ... Deb Beaver “Luckily it was the perfect tide for it; there was just enough water ...