| The smallest Crab is the pea crab, which measures 0.27 - 0.47 inches long. |
| A group of crabs is called a cast. |
| Crabs can walk forward, however they are rather slow, so they walk sideways as it is faster. |
| Crabs have 10 feet. |
| The japanese spider crab can live for over 100 years. |
| Some crabs can see 360 degrees around them, due to their eyes being on their stalks. |