Scientists have detected pesticides in rivers, lakes and oceans worldwide. So what are these pesticides doing to the fish? Long before pesticides reach lethal doses, they can disrupt hormones, impair ...

Two socializing zebrafish. (Luke A. Hammond & Jeremy Ullmann) Imagine spotting someone across the room at a party, then ...

A flock of migrating geese glides through the summer sky in an unmistakable "V" formation… a thundering herd of bison rumbles across the plains as a formidable group... and a massive school of ...

Social stress is bad for your brain. It’s a prime suspect in the accumulation of oxidative stress in the brain, which is believed to contribute to mental health and neurodegenerative disorders — but ...

Thank you for signing up! Did you know with a Plus subscription to Express and Star you get full access to our award winning journalism for the news that matters to you and more. Antidepressants are ...

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 ...

Scientists have shown that light pollution—especially light in the blue spectrum—can alter the behavior of fish after only a few nights, and have knock-on effects for their offspring. The team studied ...

A lot of people expect fish to just drift around the tank and mind their business. Then they notice certain species waiting near the glass at feeding time, reacting to footsteps, or following movement ...

There is a long-standing tension between aquarium hobbyists and marine biologists over how to interpret fish behavior. Scientists rely on controlled studies, data, and field research, while hobbyists ...