A sea-slug that’s native to much warmer waters has been found off the Ulster coast in a possible first of its kind sighting.
Natural sciences and biology student, Libby Keatley, made the ‘unusual’ discovery while diving at the weekend.
The Diaphorodoris alba - which is yellow rimmed nudibranch - was pictured off the coast of Rathlin O’Birne island, Donegal on Sunday.