We're crab people now! Rustin starts off with a bit of the biology of the boxer crabs, a unique species that caries two small anemone in their pinchers.. Learn about how these crabs use their anemone symbiotic friends to catch food, defend from predators, and engage in vigorous dance-offs. Aaron follows with the bizarre evolutionary history of the Samurai crab. These crabs were named after the Heike, due to the face like pattern on the back of their shell. Learn how for decades, the evolution of these crabs was once thought to be influenced by a naval battle in medieval Japan.