Aliza Chasan is a Digital Content Producer for "60 Minutes" and CBSNews.com. She has previously written for outlets including PIX11 News, The New York Daily News, Inside Edition and DNAinfo. Aliza ...

Species numbers alone do not fully capture how ecosystems are changing. In a global study, scientists analyzed long-term data ...

The largest freshwater fish in North America, which was once abundant in California’s major rivers and San Francisco Bay, has declined in numbers to a point that state officials will consider whether ...

FLAGSTAFF, AZ (AZFamily) — A first-of-its-kind study has an alarming conclusion: a quarter of all freshwater fish species could go extinct because of pollution and climate change. Northern Arizona ...

The most extensive global assessment of freshwater animals to date has revealed that a quarter of all freshwater animal species on the IUCN Red List are threatened with extinction. The study found ...

A team explored the influence the spatial extent of research -- the geographical coverage of data collected -- has on evaluating the sensitivity of different fish species to climate change. The silver ...

As an avid fly fisherman, Keith Van de Riet spends a lot of time trying to think like a fish does. He does likewise in his day job as professor at the University of Kansas School of Architecture & ...

Seven types of freshwater mussels found in Central Texas have been listed for protection under the Endangered Species Act. Credit: Ryan Hagerty/USFWS The U.S. Fish and Wildlife Service declared six ...

In a fascinating turn of events, researchers have documented endangered lemon sharks preying on invasive freshwater fish.

If you asked the average American angler to name all the different types of bass, a handful of species would roll off the tongue, starting with largemouths and smallmouths, then probably stripers, and ...