Pink king crab blood includes leukocytes and the second-most common respiratory pigment identified as hemocyanin.[25]: 488 Arthropod hemocyanin is a distinct variation certain to arthropods and is particularly a metalloprotein that employs copper atoms that are sure to its construction. Blue king crabs are protected by using a spiny exoskeleton https://albertv009pgx9.wikitron.com/user