Crabs have evolved at least five separate times, and the process for adopting a crab shape is so popular it even has a name—carcinization.
A video, shared by the North Carolina Aquarium, highlights river otters' playful and mischievous nature.
"Not many betting people would have given the crab good odds on making it...past a pride of lions but this little fella was up for it," park rangers said.
A woman's joking tweet worded to imply that crabs are more advanced than any other species has caused many to come up with humorous ways of proving humans are still on top,.
The dramatic footage sees a crab take on the deadly blue-ringed octopus—and survive.
Robber crabs—also known as coconut crabs—are the largest terrestrial invertebrates in the world
Dan Skowronski, a local resident in Port St. Lucie, captured footage of the invasion and posted it on social media.
Eating crab doesn't just kill crabs.
Some scientists are questioning the rationale behind the ban.
Santa Claws is coming to town.
The crab and its anemone "shell" have a symbiotic relationship.
Researchers found that oil altered microbial communities living in these artificial reefs deep beneath the sea.
The migration of crabs to the shelf would likely devastate the region's environment.