Occur along exposed rocky shores from the highest tide pools to the surf zone. Exposed to great fluctuations in temperature, salinity, oxygen content and pH (Ref. 205). Benthic (Ref. 58302). Very agile with remarkable leaping ability, moving rapidly in a series of jumps from pool to pool. Feed on detritus and benthic algae (Ref. 3921). Oviparous (Ref. 205). Eggs are demersal and adhesive (Ref. 205).