Genus
Common name: Coralline Algae
Scientific name: Amphiroa
Amphiroa is a genus of red algae known for its role in reef-building due to its ability to deposit limestone (calcium carbonate) within its cell walls, contributing to the structure of coral reefs. These algae are encrusting or branching and vary in color from pink to purple. They are beneficial in reef aquariums for their aesthetic appeal and for promoting a stable pH by utilizing carbon dioxide for photosynthesis. Amphiroa species can also serve as a natural food source for certain invertebrates and provide microhabitats for small organisms.