There are more than 52,000 species of Crustaceans in the world which include popular marine animals like lobsters, crabs, shrimp, crayfish and barnacles. Smaller crustacean breathe through their bodies and larger ones breathe through gills.
The Ultimate Crustacean Quiz
The crustacean belongs to the same major division of the animal world as spiders, lobsters, shrimp and water flies. Take this quiz and learn more about how multi-faceted this group of creatures is.