Amid the vast Mojave Desert sits an oasis, one brimming with rare flora and fauna that exists nowhere else on earth Nevada’s ... also happens to be the rarest fish on the planet.

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 ...

Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of ... group on Earth, according to the World Wide Fund for Nature (WWF). The fish, the ...