Creatures of the Deep: Twilight Zone @noaafisheries
Creatures of the Deep: Twilight Zone  @noaafisheries
Uploaded March 2025 | Updated September 2026, 1 week ago
Have you seen the (ocean) dimension as vast as space and as timeless as infinity? It’s the middle ground between light and shadow … While it shares a name with your favorite mystical TV show, this ocean layer is very real.

The twilight zone only sees dim or faint sunlight, but it’s overflowing with life. This largely unexplored ocean layer is home to more fish than the rest of the ocean combined. Many animals move in and out of this zone, transporting carbon from the surface to the deep ocean. Species found in the twilight zone include fish, zooplankton, larger crustaceans, many kinds of gelatinous animals, octopus, deep-sea corals, and more.

#CreaturesOfTheDeep
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NOAA Fisheries |

Creatures of the Deep: Twilight Zone

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