Dense groups of marine snails called Littorina saxatilis once thrived on a group of Swedish islands called the Koster archipelago. But in 1988, a massive bloom of toxic algae hit the islands, and ...

High Country News’ twice weekly email newsletter includes our latest on-the-ground reporting and investigations from across the West. Scientists have known that by studying these scars they can glean ...

Black turban snails are small marine snails that make tasty prey for crabs. Failed crab attacks leave scars on a snail’s shell. By analyzing the rate of scarring and the size of the snail when it was ...

It is 1988. The Koster archipelago, a group of islands off the Swedish west coast near the border with Norway, is hit by a particularly dense bloom of toxic algae, wiping out marine snail populations.

Animals have evolved crab-like bodies at least five times throughout history, a process known as carcinization.

Land hermit crabs have been using bottle tops, parts of old light bulbs and broken glass bottles, instead of shells. New research by Polish researchers studied 386 images of hermit crabs occupying ...

Just as southpaw baseball pitchers confuse right handed-hitters, and left-handed boxers throw punches from surprising angles, southpaw snails are more likely than their right-handed cousins to survive ...