Pterothamnion crispum

Range & Status

A small, delicate filamentous species epiphytic on a variety of algae, including ma\'ebrl, and epizoic on ascidians. Found from extreme low water to about 10m depth on sites with little wave-exposure but often exposed to moderate to strong currents. Once considered to be a rare species but now thought to be somewhat more common. It has a distinctive southwestern distribution.