Fish

Removing dams is one thing, but thousands of levees also restrict rivers in the United States — and they’re not working as intended.

Sharks rarely bite people, so why are so many people afraid of them? It has a lot to do with the media, says shark scientist David Shiffman in a new book.

I became a plaintiff in a lawsuit for the Clear Lake hitch — a fish I’ve never seen. As the species quickly disappears, how much longer will it swim the waters of California?

Decades of studying polluted Piles Creek led to advances in our understanding of how pollution affects crabs, fish and shrimp, including those that we eat.

This heavily exploited species just got a temporary reprieve, but new protections come with a ticking clock.

Freshwater mussels are some of the most imperiled species in North America. Experts say we can change that by rethinking our infrastructure.

This year scientists identified birds, lizards, orchids and other species that have been lost. How many more will follow?

2021 brought coverage of a wide range of amazing wildlife, along with the threats they face and the solutions to saving them.

From wetlands restoration to conservation dogs and the decline of fossil fuels, these tales set the stage for the year ahead.

New research reveals that one third of sharks and their relatives are at risk. But the scientists say several clear policy choices can help.