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 ...

"It's a whole new way of looking at what's in the ocean." In this undated file photo, a large group of yellowfin tuna is shown in the waters off Vibo Valentia, Calabria, Italy. Giordano Cipriani/Getty ...

When it was first discovered, the coelacanth caused a lot of excitement. It was a living example of a group of fish that was thought to only exist as fossils. And not just any group of fish. With ...

Researchers questioned if coordinated group movements by animals moving through a fluid could reduce the energy cost of locomotion. By combining biomechanics and bioenergetics the researchers found ...

A single serving of freshwater fish per year may be the same as drinking water laced with toxic, so-called "forever chemicals" for a month, according to a study conducted by a Washington D.C.-based ...