Parasites in California freshwater fish can cause gastrointestinal problems, weight loss and lethargy.

Sleep in fish may look different from humans, but rest is essential for survival. Here’s what experts have to say about fish sleep.

Guppies make for great starter fish. They're small, measuring less than 2 inches at most on average, and they're fairly hardy fish with relatively low maintenance needs. Plus, with their wide array of ...

If you're fishing for humor, you've come to the right place. These fish puns and jokes are a boatload of belly laughs.

Learn how to unhook fish properly using pliers, barbless hooks, and other tips to reduce harm and help fish survive after release.

The invasive northern snakehead, which has recently been appearing in Missouri and other states, must be eradicated, officials say.

This simple grilled whole fish has lemon, garlic, and parsley tucked inside to infuse the fish with bright flavor.

Find out what nutrients are in fish and learn how it can help everything from depression to heart disease.

A warning to anglers who eat their catch from the San Francisco Bay, fish pulled from the waters may contain dangerous levels of so-called "forever chemicals." ...

He calls himself the "Iguana Man" and posts videos on his YouTube channel, hunting invasive species professionally in South Florida for a living, like the armored sailfin catfish.

Alabama has released its list of fish consumption advisories for 2025 to warn the public not to eat fish from some waterways due to the presence of harmful substances like mercury or other chemicals.