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 ...

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 ...

The ocean is full of surprises, and scientists are still finding creatures that seem almost unreal. From tiny reef animals 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 ...

The deep sea, covering approximately 65% of Earth's surface, has long been considered a biological desert. In this extreme environment—particularly in the hadal zone at depths greater than 6,000 ...

An incredibly rare deep-sea fish has been spotted on the California coast.

Ted Judah went diving off McAbee Beach in Monterey Bay when he caught sight of a 'silvery knife blade undulating thing,' ...

Meet the “ghost fish,” a phantom of the abyss. Here’s how we found the first ever proof of its existence just a few years ago. The deep sea is a part of the world that very few humans get the chance ...

A deep-sea anglerfish was recently spotted swimming in broad daylight in the Canary Islands. The sighting is rare as the fish typically stays in the depths of the ocean below the sunlight zone. It’s ...

The bumphead sunfish (Mola alexandrini) is one of the strangest and most impressive giants in the ocean. With a flattened, ...

New research sheds light on the overlooked contribution of the ocean’s most abundant fish to marine carbon cycling. The findings open new avenues for studying deep-sea carbon dynamics and may improve ...