Brock Nelson and
The Ducks trailed 2-0 in the third before rallying to tie it.
Fowler halved the deficit at 8:31 when his wrist shot deflected off Islanders defenseman
Tavares extended the Islanders' lead to 2-0 at 7:59 of the third.
Fowler started the Ducks' comeback just over 30 seconds later.
The loss left Ducks coach Randy Carlyle still seeking his first win in his second stint in Anaheim. He previously spent six seasons with team, from 2005-11.
After getting outplayed in the opening period, the Ducks were the aggressors in the second. Anaheim had three power plays and outshot New York, 13-5.
Halak, barely tested in the first 20 minutes, had to make several stops in the middle period, including glove saves on Jacob Larsson's slap shot near the 7-minute mark and
The Islanders nearly added to their lead with about 8 1/2 minutes left when a shot by Anders Lee hit the left goal post and rolled across the front of the goal line. The horn sounded and several New York players raised their hands but play continued.
The Islanders outshot the Ducks, 16-3, in the first period. Anaheim didn't get its first shot until Nick Sorenson's long slap shot from outside the blue line with 5:39 remaining.