Bioluminescence of Krill surfacing at nightfall, (likely Euphausia sibogae) – Arabian Sea, Oman.
At nightfall, krill rise from the depths to the surface, driven by the planet’s largest daily animal migration.
There, tossed by the waves, it releases a cold, bluish light. Its bioluminescence, emitted by small organs called photophores, creates fleeting flashes on the water’s surface. This shimmering sometimes transforms the nocturnal ocean into a sea of living stars, shifting and silent.
