Haematococcus capensis Haematococcus carocellus Haematococcus droebakensis Haematococcus lacustris Haematococcus murorum Haematococcus pluvialis Haematococcus thermalis Haematococcus zimbabwiensis Haematococcus is a genus of algae in the family Haematococcaceae.

Members of this group are a common cause of the pink color found in birdbaths.

[1] One of the most notable species of Haematococcus is H. pluvialis, which is used in cosmetic products due to its production of astaxanthin, a powerful antioxidant carotenoid, under stress conditions.

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