Hello and welcome to the Chondracanthus exasperatus Home Page, brought to you in part by Martha the Chondracanthus X Spokesdoll (Bottom Image). If you love bumpy, red, carrageenan filled algae then this is the place for you! Please enjoy your stay and recommend us to your friends!

Chondracanthus exasperatus is a lovely red alga found on low tides at Friday Harbor and many other rocky intertidal locations along the western North American coast. Its most distinctive characteristics are its bumpy surface texture and its deep red color. It is economically valuable to humans as a source of carrageenan and also as an exfoliating cloth. We hope this site will provide useful information and will share our love of this amazing alga.