In fact, it's the largest freshwater fish in North America. The white sturgeon doesn't have any serious competition for the title. It's the white sturgeon, Acipenser transmontanus, that takes first prize as the Bay Delta's largest resident fish. Though great whites do poke their noses into San Francisco Bay from time to time, they don't linger. One day I took my sea kayak out from the south shore in a heavy wind, and the waves were big enough to dump me when I stood up beside my boat, the water came up to my waist a quarter mile from shore.īut ten or twelve feet of turbid saltwater is enough to hide secrets. Beneath the surface of San Pablo Bay lurk leviathans huge, pallid fish with ancient, prehistoric-seeming features. Low tides can expose a hundred feet of mudflats high tides chase rails out of cordgrass and pickleweed. This shallow sea blurs the boundaries between land and water. A six-foot person attempting to walk across the bay from the Sonoma County shore could make it about a third of the way at a very low tide before donning a snorkel. Aside from a deepwater shipping channel running west to east off the Contra Costa County shore, which gets about 50 feet deep off Point Pinole, the majority of this northern lobe of San Francisco Bay is less than 10 feet deep at low tide. San Pablo Bay is shallow, a 90 square mile dinner plate full of seawater. Stay with /baydelta for all the project's stories. And at its core is the Sacramento-San Joaquin Bay Delta. An explanatory series focusing on one of the most complex issues facing California: water sharing.
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