A pink algae bloom that could be toxic to pets and people has Ijams Nature Center advising people to stay away from Mead’s Quarry. The quarry is experiencing a temporary bloom of "Planktothrix ...

Under a strange pink-purple glow, illuminated panels buzz ... It also grows a type of bacteria called Arthospira, also known as blue-green algae, as it shares similar properties with microalgae.

The Mallee region in Victoria, Australia is home to a group of four lakes which turn a glowing pink after rain falls. This is because they contain red algae which give the water the unusual colour.