1. California Department of Fish and Wildlife, Bay Delta Region, Habitat Conservation Program, 7329 Silverado Trail, Napa, California 94558, USA
2. National Oceanic and Atmospheric Administration, Northwest Fisheries Science Center, 2725 Montlake Boulevard East, Seattle, Washington 98112, USA
3. Department of Biology, University of Nebraska at Kearney, Bruner Hall of Science, 2401 11th Street, Kearney, Nebraska 68849, USA
4. National Oceanic and Atmospheric Administration, California Coastal Office, 777 Sonoma Avenue, Santa Rosa, California 95404, USA