After leading the entire first half, the Eagles (7-7, 1-0 Atlantic Sun Conference) twice had to battle back after the break, retaking the advantage for good with 7:13 left on a layup by Fieler, who surpassed 1,000 career points in the win. Brett Comer had 10 points and five assists.
Northern Kentucky (4-9, 0-1) opened the second half with a 3-pointer by Todd Johnson to briefly take a 29-28 lead that went back and forth twice, but the Norse couldn't break away.
Cole Murray led Northern Kentucky with 12 points.
Fieler entered the game needing just five points to reach 1,000-point mark and became the fifth Florida Gulf Coast player in the program's history to reach the milestone.
Andy Katz breaks down the likelihood of Villanova, Syracuse, North Carolina or Oklahoma making a run to the Final Four next season.
Florida State has announced that Xavier Rathan-Mayes will return to the court for his junior season. The 6-foot-4 guard declared for the NBA draft last month but did not hire an agent.
Virginia coach Tony Bennett takes the ACC Fast Break with Dino Gaudio by answering questions like who the best Tony Bennett is and what other sport he'd like to coach.