Gallery: Unraveling the Mystery of the Ocean's Twilight Zone

  • Image may contain Aquatic Water Outdoors Nature Ocean Sea Animal Sea Life Reef Sea Anemone and Invertebrate
    Kathryn Whitney/California Acade
    01

    Twilight-Zone-exhibit-Kat-Whitney-c.jpg

    The deep reef might lie in the darkness, but it still bursts with color.
  • Image may contain Water Ocean Sea Outdoors Nature Animal Reef Sea Life Aquatic and Coral Reef
    Kathryn Whitney/California Acade
    02

    Twilight-Zone-exhibit-tank-environment-Kat-Whitney.jpg

    It's a surprisingly complex ecosystem teeming with life.
  • Image may contain Water Outdoors Nature Ocean Sea Aquatic Animal Sea Life Reef Fish Coral Reef and Aquarium
    Kathryn Whitney/California Acade
    03

    Twilight-Zone-exhibit-fish-and-coral-Kat-Whitney.jpg

    The fish Bodianus izuensis (left) and Sacura speciosa call the deep reef home.
  • Image may contain Animal Fish Water Aquatic Sea Life and Angelfish
    Kathryn Whitney/California Acade
    04

    Twilight-Zone-exhibit-fish-Kat-Whitney.jpg

  • Image may contain Water Outdoors Human Person Aqua Scuba Diver Sport Sports Scuba Diving Diving and Nature
    Luiz Rocha
    05

    Grand-Cayman-descent-2-©-Luiz-Rocha.jpg

  • Image may contain Outdoors Nature Ocean Water Sea Animal Reef Sea Life Aquatic Coral Reef and Sponge Animal
    Luiz Rocha
    06

    Twilight-zone-at-depth-Luiz-Rocha.jpg

    Corals go about life a bit differently down here. Instead of relying on sunlight, they snag plankton floating by.
  • Image may contain Water Animal Sea Life Ocean Outdoors Nature Sea Reef Aquatic Invertebrate Clam and Seashell
    Luiz Rocha
    07

    Grand-Cayman-mesophotic-©-Luiz-Rocha.jpg

  • Image may contain Animal Reef Ocean Sea Life Sea Water Outdoors Nature Fish and Coral Reef
    Luiz Rocha
    08

    Grand-Cayman-mesophotic-2-©-Luiz-Rocha.jpg

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