★ 6.8
★ 8.0
★ 6.5
★ 7.7
★ 7.0
★ 6.9
★ 7.9
★ 0.0
★ 8.6
★ 6.7
★ 8.4
★ 6.0
San Francisco Bay is home to various shark species. Alcatraz guards made sure the prisoners knew it, telling stories of sharks to stop escapes.
