Thousands of students walk past the aquarium by Marston Science Library’s third-floor elevators every week. Some worn-out ...

Watch as a tiny pet snail uses a leaf to parasnail around its aquarium. While rarely seen, the activity is common for snails ...

Harlequin rasboras are common, colorful aquarium fish that carry with them ... This placed them alongside other species of rasboras, small freshwater fish in the same family as carps and minnows.

Even though they're only a few weeks old and a few centimeters long, the baby fish seem to be prospering, the BBC reported. "This really is a triumphant milestone in freshwater fish ... and agility of ...

Their diet includes small crustaceans, snails ... freshwater Lake Xochimilco and Lake Chalco in Mexico. However, Lake Chalco no longer exists, and Xochimilco is a shadow of its former self. Their diet ...

The fish locates its prey by using its four barbels. These sensory organs on the end of its snout help the fish locate crayfish, snails, clams ... but they are also the largest native freshwater fish ...

In an Australian first, researchers have described a new species of 15-million-year-old fossilized freshwater fish, ...

WWF works to sustain the natural world for the benefit of people and wildlife, collaborating with partners from local to global levels in nearly 100 countries.

The world has seven continents, but do you know the largest freshwater fish in each? These creatures show the incredible diversity of Earth's inland waters. Let's get amazed as we look at these ...