Learning to Love the Lamprey

In their native habitat in the Pacific Northwest, these imperiled fish are important ecosystem engineers and food web heroes—despite their bloodsucking lifestyle.

December 11, 2018
Jeremy Monroe/Freshwaters Illustrated

Pacific lampreys struggling to climb around the Van Arsdale pool-and-weir fishway, challenged at each step with high water velocities and sharp angles.

Left photo credit: GoPro. Right photo credit: John Heil/USFWS
onEarth Story

Scientists turn to eDNA to unlock the secrets of one of Australia’s most ancient animals—whose future may be going under.

T. Lawrence/Great Lakes Fishery Commission
onEarth Story

This is a tale of blood-sucking invaders and sex traps.

Western Dispatch

Fish farms boost the risks of sea lice infestations, chemicals in the water, and accidental spills that leave native fish floundering.

Perrin Ireland
onEarth Story

A weekly roundup of the best in science journalism, doodled.

Western Dispatch

Where quick-spreading fires are the “new normal,” some state officials and communities are willing to try whatever it takes to prevent—or better prepare for—the next big blaze.


Mountaineering instructor Bam Mendiola—aka Backwoods Barbie—creates a space outdoors for queers and people of color.

Midwest Dispatch

Here are billions of new reasons Congress shouldn’t go soft on ballast water.

Rockies Dispatch

As the fish disappear, native peoples are looking for solutions lest they lose a way of life too.

onEarth Story

A sneaky provision in this year’s defense act loosens regulations on ballast water—and all its stowaways. If it passes, the Great Lakes could suffer serious consequences.

Western Dispatch

After eating its way up the Pacific Coast, the notorious invader is starting to dig its claws into an important Washington fishery.