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Crustaceans
Crustaceans are a group of arthropods that includes crayfish, shrimp, crabs, lobsters, krill and barnacles. There are about 40,000 species of crustaceans alive today. The articles listed below provide information about the characteristics, classification and evolution of crustaceans.
Mantis Shrimp Breaks Speed Record
Mantis shrimp are a group of marine crustaceans that possess powerful appendages enabling them to strike or spear their prey with overwhelming force.
Lobster's Unique Sounds Defy Predators
Scientists now understand more about the unique way spiny lobsters create sound to ward off predators. Using a method of sound production resembling that of stringed instruments, spiny lobsters startle attackers by emitting loud, raspy noises.
Crustaceans
Crustaceans are a group of arthropods that include 42,000 species. Crustacean groups include lobsters, crabs, crayfishes, barnacles and many other groups. This profile explores basic facts about crustaceans including their classification, diet, habitat and what makes them different from other arthropod groups.
Malacostracans
Malacostracans are a group of crustaceans that includes crabs, lobsters, shrimp, mantis shrimp, prawns, krill, spider crabs, woodlice and many others. This profile explores basic facts about malacostracans including their classification, diet, habitat and what makes them different from other crustacean groups.