Although frogs and fish may appear similar from the water’s surface, they have many differences that make them easy to distinguish with a trained eye. Fish typically spend all of their lives in water.

In this stunning YouTube clip, a frogfish bides its time, waiting for the perfect moment to strike at an unsuspecting cardinal fish. This gives us time to observe it and wonder whether it is a frog or ...

The biodiversity of frogs and toads demonstrates just how ingenious evolution can get. Some are like the glass frog, which resembles a particularly famous Muppet. Others are like the Colorado River ...

During World War II, lakes in California’s Sierra Nevada mountain range were populated with trout that rapidly transformed the region’s ecosystems. Now, a poison is being used in some lakes to kill ...