Basic Shellfish Features Vivekanand Bharti Fishery Resources Assessment Division The shellfish includes two highly diversified phyla i.e. phylum Arthropoda and phylum Mollusca. These two groups are named as shellfishes because of the presence of exoskeleton made of chitin in arthropods Learn about shellfish , the aquatic invertebrates that have a shell or shell-like exterior and are used as food. Find out the different types of shellfish , such as mollusks, crustaceans, and echinoderms, and their health benefits, culinary uses, and ecological values. Explore the diverse world of shellfish , from clams to crabs, and expand your English vocabulary with this comprehensive guide on sea creatures and their uses. Shellfish is a a broad term for various aquatic mollusks, crustaceans, and echinoderms that are used as food. A culinary and fisheries term, rather than taxonomic, the term shellfish is imprecisely defined, with some including only those aquatic invertebrates that have a shell or a shell-like exoskeleton —such as bivalves (clams, oysters), gastropods (snail, abalone), crabs, lobsters, shrimp, and sea urchins —and others including also the shell-less cephalopods (squid, octopus). In ...

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