It's long been a staple on seafood menus and in frozen fish fillets at the grocery store. But dig a little deeper and orange roughy (also known as deep sea perch) is actually one of the most ...

The deep ocean is home to the largest ecosystem on Earth, but we’ve only explored a tiny portion of it. Despite the enormity of our seas, new species are discovered all the time thanks to ...

These three fish are freaks, phantoms and mysteries of the deep. Here’s what we’ve learned from the rare glimpses we’ve had of their lives. The deep sea is one of Earth’s final frontiers. Given its ...

Fish species living in the deep sea feature a surprisingly large range of body shapes that evolved in different ways and at different rates depending on where the fishes live in the ocean, new ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Scientists sampled fish living in the Pacific's Mariana Trench and trenches in the Indian Ocean. ...

A new study offers the first direct evidence that deep-dwelling mesopelagic fish, which account for up to 94% of global fish biomass, excrete carbonate minerals at rates comparable to shallow-water ...

Oarfish can grow longer than 20 feet and normally live in a deep part of the ocean called the mesopelagic zone, where light cannot reach. A rarely seen deep sea fish resembling a serpent was found ...

A very rare fish sighting is making a splash on social media. A deep-sea anglerfish, with its mouthful of sharp teeth, was spotted near the surface of the water near the Canary Islands off the coast ...

A California woman was walking her dog on Grandview Beach in Encinitas when she came across a very rare, deep-sea fish. Alison Laferriere, who happens to be a PhD candidate at Scripps Institution of ...

OREGON, USA — An "unusually fascinating" fish that is known to emit a bioluminescent glow thousands of feet beneath the ocean's surface has appeared on the Oregon coast. A local aquarium that posted ...

This story has been updated to reflect that Tåno, Tåsi yan Todu is based in the Mariana Islands. A previous version of the ...