The U.S. government is mounting an emergency response in an effort to save a unique and endangered fish found off the coast of Florida. The details are strange. The National Oceanic and Atmospheric ...

Most anemonefishes are striped and the direction of their stripes — vertical or horizontal — correlate with their levels of territorial aggression A new study reveals that anemonefishes display ...

Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...

Biologists have characterized new, unknown photoreceptors from the bioluminescent flashlight fish Anomalops katoptron. The photoreceptors known as opsins allow the fish to detect light with a specific ...

Automatic photo analysis may make it possible to continuously monitor and interpret fish behavior. Researchers in Norway have been collaborating on finding methods of measuring the stress levels and ...

Benzodiazepines are a highly effective group of pharmaceutical drugs that help millions of people cope with anxiety, insomnia, and panic disorders each year. These drugs work by binding to receptors ...

What effects plastics have on our oceans is of big concern to environmentalists. Worryingly, researchers have now discovered that tiny particles of plastic can build up in fish brains and change their ...

A little fish just passed a classic scientific test of self-awareness by recognizing itself in a mirror, scientists have announced. The cleaner wrasse fish, which measures around 10cm in length, was ...

A robotic fish has sailed across an aquatic uncanny valley by tricking real fish into following it upstream. The feat could lead to better understanding of fish behavior and perhaps some means to ...