coho salmon, and steelhead trout — in California’s northern waterways. In a new study, published this week in the journal Proceedings of the National Academy of Sciences, biologists found that ...

But they realized steelhead trout and coho salmon, whose populations have been in decline, were noticeably absent from both watersheds — a troubling discovery they quickly relayed to professor ...

WASHINGTON— The Center for Biological Diversity and Western Environmental Law Center sued the U.S. Environmental Protection Agency today over its failure to protect Chinook and coho salmon, Southern ...