Use fish quickly. Eat fresh or defrosted seafood within a day or two. You can freeze fresh-caught fish within that time frame ...

Researchers developed a way to run tests on fish learning and memory in the animals' natural environments. The results may ...

Fish rank as the most diverse group of vertebrates in the world. Scientists recognize over 37,000 distinct species, with many more waiting to be discovered. Most fish fall into the ray-finned group of ...

What you can see in this YouTube clip is very different from most of the underwater footage that you will come across online.

Dead fish carcasses on the shore of Skaneateles Lake, while unappealing to look at, may be the key to finding out how to keep ...

In a baffling show of generosity, killer whales across the globe are giving fish to humans—and scientists are racing to ...

The old idiom of being a fish out of water is never a positive thing. Instead, it paints a picture of being uncomfortable or ...

Even fish aren't immune to neighborly disputes. Discover why fish in this video are engaged in petty sand-flinging.

Sport fishing for wild king salmon in Southeast Alaska is now restricted to Alaskans for the rest of the summer, after state ...

When the top spotty fish in a tank disappears, the runner-up turns aggressive within minutes, rushing and nipping rivals ...