Scientists have found prized Siamese fighting fish are typically being kept in conditions a quarter of the size they need to ...

Could you tell one fish from another if they were the same species? Likely not, but new research suggests they might be able ...

It is easy to believe that the black seadevil anglerfish, with its gaping maw of razor-like teeth, a bioluminescent rod sticking out of its head and lidless eyes used to scan the deepest, darkest ...

This rare black seadevil captivated social media with its mysterious journey to the surface—before vanishing forever.