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Learn about the nine common features of crustaceans , a large group of arthropods that include crabs, lobsters, shrimp, and barnacles. Find out how their hard exoskeleton, jointed appendages, antennae, tails, claws, carapace, biramous appendages, segmented body, gills, and compound eyes help them survive in various habitats. Information about crustaceans in Australia including their biology, anatomy, behaviour, reproduction, predators, prey and ecology. Many crustaceans are consumed by humans, and nearly 10,700,000 tons were harvested in 2007; the vast majority of this output is of decapod crustaceans : crabs, lobsters, shrimp, crawfish, and prawns. [75] What are Crustaceans ? Crustaceans are a varied group of invertebrate organisms belonging to the phylum Arthropoda and subphylum Crustacea. They include common species such as barnacles, crabs, crayfish, lobsters, shrimp, water fleas, and pill bugs. While most are aquatic, certain species may be found in terrestrial settings. Of the roughly 40,000 species of aquatic crustaceans , only about 10% exist in freshwater habitats. They have developed a vast diversity of body shapes and behaviors to ...
