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.
Test Your Knowledge: Mantis Shrimp Quiz
Mantis shrimp have extraordinary traits. Test your knowledge of the sea creatures with this quiz at HowStuffWorks. See more »
10 Weird Facts About Lobsters
Lobsters pee out of their faces. Find out 10 weird facts about lobsters at HowStuffWorks. See more »
The Ultimate Crustacean Quiz
Smaller crustaceans serve as food for larger ones. Take this quiz and learn which of the larger crustaceans are considered delicacies in many countries. See more »
The Ultimate Lobster Quiz
Lobsters are 10-legged crustaceans that live in oceans throughout the world. Take this quiz and learn more about lobsters See more »
Is there a 400 pound lobster out there?
A giant lobster weighing over 100 pounds could exist, according to recent studies on lobster growth and aging. Learn about the possibility of a giant lobster. See more »
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