Image credits
Image Credits:

Photos: Alvin: courtesy of Woods Hole Oceanographic Institute; Seagrass meadow: courtesy of NOAA, Heather Dine Florida seagrass map: courtesy of Florida Department of Environmental Protection; Kelp: courtesy of Ian Skipworth; Harbor Seal: courtesy of California Academy of Sciences, Gerald and Buff Corsi; Lateral Lines: courtesy of AMNH Department of Library Services; Dolphins: courtesy of Golden State Images; Ocean helpers: courtesy of Charlene Joachim, Margo Henderson; Illustrations: Bacteria, Blue whale and argentinasaurus, Ocean zones, Continental shelf: Eric Hamilton; Common dolphins, Comb jelly, Zooplankton: Sean Murtha; Vertical migration: courtesy of Debbie Steinberg, Virginia Institute of Marine Science