Those fish should not be swimming in a white reef!  Reefs around the world are bleaching due to ocean acidification.   It’s progressive and irreversible.  “Over the course of the last six months,  Coral Watch have documented the degradation of reef structures near Lizard Island, one of the worst-hit areas.

They photographed the same formations of coral multiple times, showing clearly the pace of the destruction.

See their progressive photos….