The findings suggest that their famous lateral movement evolved just once. It may have helped the animals rapidly spread and ...

A study of 50 crab species in Japan traces the iconic sideways walk to a single ancestor, suggesting the trait drove the ...

Add Yahoo as a preferred source to see more of our stories on Google. Moving can be stressful, especially if you’re a hermit crab. Since a hermit crab’s shell doubles as its house and outfit, finding ...

Researchers studying crab movement discovered that sideways walking likely evolved only once in the history of “true crabs,” ...

Crabs’ famous sideways walk may trace back to a single evolutionary moment 200 million years ago. Researchers found that most modern crabs inherited this trait from one ancestor—and never looked back.

When you think about crabs, you probably picture an angry little creature shuffling sideways while pinching its claws in the air. However, these sideways walks are not the only form of movement of ...