Breadcrumb Home Ocean Life Invertebrates Boxing Crab Boxing Crab (© Shawn Miller Flickr) The boxer crab or pom-pom crab gets its name from the two anemones it holds in its claws. When provoked by a predator the crab will wave the stinging anemones to ward them off. Tags: Crabs, Shrimp & Relatives Jellyfish, Anemones & Relatives April 2018