Swimming in schools makes fish surprisingly stealthy underwater, with a group able to sound like a single fish. The new findings by Johns Hopkins University engineers working with a high-tech ...

The blue catfish, Ictalurus furcatus, is considered an invasive species in the Chesapeake Bay. Credit - forgotton0001. CC SA 2.0. The blue catfish, Ictalurus furcatus, is considered an invasive ...

A fish has been captured by researchers swimming at never-before-recorded depths of over five miles below the ocean’s surface off the coast of Japan, researchers announced. The unknown species of ...

In a viral video on Instagram posted by Scienceboy, a dead fish with its body split open and its insides removed is placed into water, where it begins swimming around as if it were alive. This is not ...

The sea can be a dark and scary place, where survival often depends on not being alone. In the vast, open water, fish rarely swim solo. Instead, they aggregate into schools or shoals as a strategy to ...

Just as you might look down at the sidewalk as you walk, fish look downward when they swim, a new study by a Northwestern University-led international collaboration has confirmed. The study is the ...

Videos show schools of fish swimming through the flooded streets of a Jersey Shore community. In the videos recorded over the weekend, mullet swim in roads and alongside homes in Manasquan, New Jersey ...

Stacey O’Shea of The Garden Sanctuary turned the fish's world around — literally — by crafting it a lifejacket out of tubing and AC parts Kelli Bender is the Pets Editor at PEOPLE. She has been ...

Is It a Quirk or a Cry for Help? First things first don’t panic. Seeing your fish swimming sideways can be alarming, but the good news is, it’s often treatable. The behavior is usually a symptom, not ...