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 ...

'Very novel and very puzzling': Unknown species of squid spotted burying itself upside down, pretending to be a plant Scientists finally sequence the vampire squid's huge genome, revealing secrets of ...

While the sea robin has legs, it still doesn’t need a bicycle. By Sofia Quaglia The sea robin has fascinated scientists for decades. It has the body of a fish, the wings of a bird and the legs of a ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Some types of sea ...

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 ...

COLUMBUS, Ohio – 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 ...

Fish that survive in extreme deep-sea environments have developed the same genetic mutation despite evolving separately and at different times, researchers say. The scientists also found industrial ...

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 ...

The strange life-forms lurking in Earth's deepest seas may seem primordial, as if they are as old as the oceans themselves. But the truth is that these fish and other animals took hundreds of millions ...

Photos taken by blackwater divers offered a new glimpse into the early life stages of marine fishes and their interactions with other animals. By Alexa Robles-Gil Every night after dusk, one of the ...