Flashlight fish favor dark environments like caves and overhangs. In those conditions, they end up looking like a pair of spooky glowing eyes with no body, as in the video above.

Hundreds, if not thousands, of small flashlight fish—glowing blue—began emerging from the underwater cave. They streamed over the reef “like a carpet of lights,” says Phillips.

The wonders of often-unseen, glow-in-the-dark creatures are at the heart of a new exhibit at the Frost Museum of Science in downtown Miami. “Creatures of Light,” now open in the Hsiao F… ...

The flashlight fish Anomalops katoptron, which inhabits the coral reefs of the Pacific, uses flashing signals to forage for food at night. The moment it finds food, the flashing signal changes to ...

About a dozen species are on view, including flashlight fish, pinecone fish, chain catsharks, crystal jellyfish and more. Over 250 creatures are included.

In their research article published online in the peer-reviewed, open-access journal PLOS One, Hellinger and his team noted that flashlight fish uses its bioluminescence to hunt for and feed on ...