Caption: Worm larvae, copepod larvae, and diatoms, Size: .003”–.03” (.08–.8 mm), Location: Beneath the Golden Gate Bridge, San Francisco, California, Contact: David Liittschwager, Natural History Photography, 120 Parnassus Avenue #1, San Francisco, CA 94117, cell: 415 531 6882, email: liittschwager@mac.com