“I saw this amazing, cool, spectacular, rare fish while diving in Monterey," Judah wrote online.

A king-of-the-salmon that normally lives far offshore was spotted alive near the surface, a sight rarely seen by humans.

A group of researchers were out for a swim in San Diego recently when they encountered an oarfish, an "incredibly rare" creature whose appearance is an omen of impending disaster. Specifically, ...

An "odd-looking" deep-sea fish recently washed ashore on an Oregon beach to the surprise of a local aquarium. The Seaside Aquarium in Seaside, Oregon, published pictures of the dead fish in an April ...

The sea can be a dark and scary place, where survival often depends on not being alone. In the vast, open water, fish rarely swim solo. Instead, they aggregate into schools or shoals as a strategy to ...

It felt like a Vegas casino at 3 a.m., except instead of full houses, people were flashing fish the color of fire. A voice blared over a loudspeaker something to the effect of, “Could this be the ...

Mesopelagic fish, long overlooked in ocean chemistry, are now proven to excrete carbonate minerals much like their shallow-water counterparts—despite living in dark, high-pressure depths. Using the ...