The top three panels show typical photographic views of deep-sea species

The top three panels show typical photographic views of deep-sea species. The lower panels show views that more closely approximate the real view under natural light. Note that animals that appear quite conspicuous under the submersible floodlights, such as the starfish and the fish, are fairly cryptic under ambient illumination. Note also that certain animals, such as the small white starfish in the rightmost panels, are still quite visible under natural illumination. The blue color in the lower panels is merely added for effect, given that most vision by deep-sea species is monochromatic. Image courtesy of Harbor Branch Oceanographic Institution.

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