Freshwater and sea turtles may look similar, but neither one could survive in the other's territory for these reasons.

Renowned for its biodiversity, Malaysia is a hotspot for freshwater fish with numerous endemic species inhabiting its richly varied aquatic ...

We share the freshwater species living in Oregon’s Willamette River and describe where to find them and how they live.

Researchers in Alberta uncovered a fossil fish that rewrites the evolutionary history of otophysans, which today dominate ...

Ahead of its centennial, the historic complex on Lake Michigan debuts a reimagined entry sequence, new exhibits, and more.

Think you know walleye? Take this fun 10-question quiz to test your fishing knowledge and see if you’re a true walleye expert ...

One of the enduring ichthyological mysteries is how migratory fish know when it is time to move from their winter to summer ...

A new global study reveals that nearly one in four freshwater animal species is at high risk of extinction, scientists warn.

Sixty-seven million-year-old fossil fish discovered in Canada have complex middle ear bones — a Weberian apparatus — found in two-thirds of all freshwater fish species today. The structures give these ...

Alaska’s rare Iliamna Lake seals could be endangered by the Pebble Mine, a project that threatens their isolated freshwater ...

I saw literally every species of fish found in the lake,” except for the Clear Lake tule perch, Santana says. The ...

Explore the urgent need for Clanwilliam sandfish conservation in South Africa's unique ecosystems and their role in biodiversity.