Georgette Douwma / Pink anemonefish (Amphiprion perideraion) with anemone showing the effects of bleaching. The bleached anemone is almost white, whereas the unbleached anemone is brown due to the presence of symbiotic...

Georgette Douwma / Pink anemonefish (Amphiprion perideraion) with anemone showing the effects of bleaching. The bleached anemone is almost white, whereas the unbleached anemone is brown due to the presence of symbiotic...

Nigel Cattlin / Algal slime (Cyanobacterium / other algae) formed on the surface of close mown turf of a damp golf course green after rain, Surrey, October