Amphipods (IMAGE) University of Alberta Caption Amphipods can snap their outsized claws at 100 kilometres an hour. As it snaps shut, the pincer accelerates nearly as fast as a bullet, according to new research. (Photo: Arthur Anker) Credit Arthur Anker Usage Restrictions with credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.