Hermit crabs are best known for using snail shells to protect their fleshy, shell-less bodies. But one group of hermit crabs uses a cozier type of protection: a sea anemone.

Horseshoe crab ancestors first appeared in the fossil record 450 million years ago. But climate change and harvesting are ...

The University of Washington is asking Washingtonians to help create the largest-ever single-day data set of crab molts collected in the state on Thursday. The Salish Sea-wide “Molt Blitz ...

All major Bering Sea crab stocks, including red king crab and bairdi crab, were way down too. The most recent survey showed a decline in snow crabs from 11.7 billion in 2018 to 1.9 billion in 2022.