Researchers have developed a simple, effective electronic device that can determine how fresh a fish is in less than two minutes.

Fans swear these five fast-food chains serve the freshest-tasting fried fish with crisp batter and real flavor.

Minnesota DNR says there are only a handful of verified sightings of this rare species of freshwater jellyfish in Minnesota.

The quarter-sized creatures briefly surfaced during a water-quality survey, offering a fleeting glimpse of a species that ...

This video uncovers five more of the world’s largest freshwater fish in an epic part-five continuation. Viewers learn how each species evolved to reach extraordinary sizes in lakes and rivers around ...

Japan and China have both told CITES that they don’t support listing the eels. And in the U.S., the Atlantic States Marine ...

Saltwater and freshwater fish tanks are enjoyable to have around the home. But is one better for beginner tank owners than the other?

Cardinal tetras are famous for their glowing blue and bright red stripes that run across their bodies. People often mix them up with neon tetras, but cardinal tetras have a bright red line that goes ...