Livebearer fish are some of the most fascinating marine creatures. Instead of laying eggs, they produce fully formed live ...

Roach fish that migrate between different lakes and water courses have larger pupils and better eyesight than roach that stay ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Near a village in northeastern India, a “dwarf”-like creature with a “large” mouth swam through the river — or tried to, at least. But something pulled it out of the water, moved it around and dropped ...

If your aquarium feels a little blah, maybe it’s missing some bold personalities. We’re talking fins that flash like neon signs and colors that could outshine a fashion runway.

Deep-sea fish adapt to some of the most extreme conditions on Earth. New research analyzing their evolution finds the same mutation across fish species that have evolved on separate timelines — ...