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 ...

The Mekong giant catfish is an endangered freshwater species. Zeb Hogan. Many people are familiar with the epic migrations of ...

In the wide, sandy stretches of Brazil’s Araguaia River, the piraíba, South America’s largest catfish, is a cornerstone of local fisheries. Fishers often recognize individual fish by markings and ...

A newly signed action plan aims to protect the migration cycle of the giant dorado catfish of the Amazon River ...

Whether you’re an experienced aquarium keeper or a total novice, one of the first decisions about any freshwater setup will be about the types of aquarium fish you select. Thankfully, this list will ...

A sweeping global report finds that migratory freshwater fish are in steep decline, with populations down roughly 81% since ...

Discover the alarming trends in freshwater migratory fish species declines, with an 81 percent population drop since 1970.

Freshwater fish populations that dwell nearer the poles are outperforming their equatorial counterparts, researchers have found. Freshwater fish populations that dwell nearer the poles are ...

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 ...

Scientists have discovered previously unknown microbial communities living in hundreds of wild fish, revealing new insights ...

Metazoan parasites represent a diverse assemblage of organisms, including flatworms (monogeneans and digeneans), cestodes, nematodes and acanthocephalans, which colonise a range of freshwater fish ...