What is another word for cancer borealis?
Pronunciation: [kˈansə bˌɔːɹɪˈalɪs] (IPA) 
Cancer borealis, commonly known as the horseshoe crab, is a prehistoric species that has been around for millions of years. It is named after its resemblance to a crab and its location in the constellation Cancer. Synonyms for cancer borealis include the Atlantic horseshoe crab, Limulus polyphemus, and the helmet crab. While it is not a true crab, the horseshoe crab is an important part of many ecosystems as it serves as a food source for birds and marine animals. Its blue blood is also used in the medical industry to test for bacterial contamination. Despite its importance, the horseshoe crab is facing endangerment due to overfishing and habitat destruction.
