Some aquarium fish carry price tags that could challenge high-end gadgets, luxury cars, and even some small homes. Yes, you read that right!

By Edward Carver The United States is the main market for “ornamental” marine fish, those that end up as pets in aquariums.

NEW ORLEANS— The U.S. Fish and Wildlife Service today proposed to protect the Alabama hickorynut in the Mobile Basin as endangered under the Endangered Species Act. The agency also proposed to protect ...

This trapping mission heads straight into the untamed Everglades, where rare aquarium fish lurk in places most people never explore. The water looks calm, but every trap pull reveals something wild ...

Discover some of the freshwater species that together make the St. Lawrence a thriving river of life despite its cold ...

The Chel snakehead, also known as the Channa amphibeus, was rediscovered in the town of Kalimpong in West Bengal Charna Flam is a writer-reporter at PEOPLE. She has been working at PEOPLE since 2023.

CLEVELAND, Ohio -- Rare freshwater jellyfish have been spotted in Lake Erie, causing curiosity among residents. Now, there’s a guaranteed way to see them firsthand. These rare creatures, native to ...