California Academy of Sciences, African Hall Gallery
African Hall, a central part of the new Tusher African Center, is both a dramatic recreation of exhibits beloved by generations of Academy visitors and a breath-taking new look at the biogeography and diversity of landscapes, plants, and animals of sub-Sahara Africa. The introduction to live ...more ↓
Purple Sea Urchin
Strongylocentrotus purpuratus, or the purple sea urchin, is one of the sharp-spined sea urchin species. The spines are used as a means of defense against would-be predators. This urchin is deep purple in color, and grows to a diameter of about 4 inches. They are found along the Pacific coast of the United States and Canada where they cling to depressions in the rocks ...more ↓
