Fastest-swimming crustacean

- Who
- Henslow's swimming crab Polybius henslowii
- What
- 1.3 metre(s) per second
- When
- 16 November 2013
The fastest-swimming crustacean is Henslow's swimming crab Polybius henslowii, native to the eastern Atlantic Ocean. It has been timed at 1.3 m per second in captivity, but it is likely that it can swim even faster under natural conditions in the wild state.