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![Twilight zone](https://docent.calacademy.org/sites/default/files/styles/manual_crop_standard_960x540/public/uploads/images/mg-3539-rocha-web.jpg?itok=PbTTNNrL&c=3b655eeda6133eac913bdc68eb99e1fe)
Descend into the twilight zone, a place where sunlight is scarce and divers with traditional scuba gear cannot go. In the narrow band between the light-filled shallow reefs and the pitch-black deep sea, these little-known mesophotic reefs—located 200 to 500 feet beneath the ocean’s surface—are home to fascinating and diverse marine life.
Visit the exhibit: Twilight Zone: Deep Reefs Revealed