We found that signal crayfish traps tend to catch larger males, letting the bulk of the population go free.

The ghosts of our industrial and agricultural past continue to haunt freshwater ecosystems today.

Fish need to cross roads too. But the tunnels built to channel rivers under roads and railways can block their migrations.

The discovery that such a common animal can rapidly produce vast numbers of nanoplastics is particularly worrying.

A new database will help track the impacts of climate change on fish living in rivers, lakes, and other inland waters throughout the world.

The largest study of insect declines to date gives us the best indication of how species all over the world are faring.

The largest study of insect declines to date gives us the best indication of how species all over the world are faring.

A new map that tracks the genetic diversity of freshwater and marine fish offers another tool to protect species around the world.

Lake Tahoe, one of the clearest, cleanest lakes in the US, shows how that the issue of microplastics goes way beyond the oceans.