Since the early 1970s, water-cooled power plants have installed fish protection technologies largely on a case-by-case basis with limited guidance from the U.S. Environmental Protection Agency (EPA).

Water temperature plays a vital role in the behavior and survival of fish. Being cold-blooded, fish rely on external temperatures to regulate metabolism and activity. Even small changes in temperature ...

"Fish out of water" usually means someone who’s totally out of place. Some fish didn’t get the memo. For Saturday’s Weird Animal Question of the Week, Ving Salcedo asked what type of fish can live ...

To keep your fish healthy and happy throughout their life, you need to understand how and why to change your fish tank water. There are thousands of fish breeds, and each one requires different care ...

Algae are inevitable when you own a fish tank. With proper planning and preparation, you can ensure algae in a fish tank are kept under control, so this plant doesn’t become an issue for your fish. If ...

Last week, an unassuming little silver fish found only in the Clear Lake watershed of Northern California was designated as threatened under the state’s Endangered Species Act. That likely means that ...

The deft wrigglings of fish forced to grow up on land could offer a glimpse of how ancient vertebrates started to make the big move out of the sea. The modern fish species called Senegal bichir ...

When fish get thirsty do they drink sea water? – Torben, aged nine, Sussex, UK. This is a great question, Torben, thanks very much for sending it in. The short answer is yes, some fish do drink ...