Author: Günther, 1859
FBname: Rock cale
Comments: Found on shallow exposed rocky shores, aggregating in high-energy zone, just below foaming surface to depths of about 10 m (Ref. 9002); in kelp and weed areas (Ref. 86913).  Feed on either loose or attached weeds and algae (Ref. 9002); mainly consisting of <i>Corallina pilulifera</i>,
  together with smaller quantities of <i>Ulva actuca</i>, <i>Jania</i> and filamentous species such
  as <i>Sphacelaria</i> sp. (Ref. 86913).