Number of quadrats and site(s) sampled in the Sydney Region, NSW, Australia on each intertidal rocky-shore from North to South.+

+Mona Vale (33°40′33.46″S, 151°18′23.51″E), North Narrabeen (33°42′23.44″S, 151°17′18.1″E), Tamarama (33°53′52.8″S, 151°16′4.8″E), Cronulla – north and south (34°3′26.78″S, 151°9′7.88″E), Era (151°04′E, 34°09′S), Coal Cliff (34°14′0″S, 150°58′0″E) and Bulli Point (34°19′59.23″S, 150°55′7.14″E; see Figure 1). All locations are on the open-coast with medium to heavy exposure to waves.✓indicates the habitat sampled.