INV0070. sea urchins Sterechinus neumayeri gather on an ice fall to eat algae, Antarctica
Plate 68
INV0071. sea urchin Sterechinus neumayeri under ice cap, Antarctica
Plate 69
INV0072. sea urchin Sterechinus neumayeri covers itself with algae, corals, and shells to prevent predation by anemones, Antarctica
Plate 70
INV0073. sea urchin Sterechinus neumayeri covers itself with algae, corals, and shells to prevent predation by anemones, Antarctica, note Trematomus fish
INV0075. sea urchin Sterechinus neumayeri covers itself with red algae Phyllophora antarctica and other objects to prevent predation by anemones, Antarctica