Here are five photos that beautifully illustrate why fish choose to group up. Striped eel catfish displaying schooling behavior. Such a group can be remarkably silent, even ... [+] though it might ...

Pantaleo admits to taking photos of some of the fish he catches while out on Cooks Creek in Upper Bucks or other local steams. But his research has shown the extra time to snap a shot can increase ...

The amount of sperm released decreased sharply with each mating during a single day, reducing the males' fertilization rate.

A research team from Osaka Metropolitan University showed fish images of themselves, but the pictures were doctored so that stains representing parasites appeared on their throats. The fish tried ...

Fish eggs drifted like tiny lanterns ... The visible trash, along with heartbreaking images of its impact on everything from turtles to birds to whales, has generated a public outcry.