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What is the difference between fish and shellfish?

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My boyfriend loves and eats shrimp, but he says he's allergic to shellfish. What's the difference?
asked 5 years ago by pattijo66 (6,900 points)

1 Answer

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Shellfish are classified as aquatic invertebrates. They have exoskeletons,
meaning their skeletons are on the outside of their body. Shellfish are mollusks, e.g., oysters and cockles, and crustaceans, e.g., crab, shrimp and lobster.

Fish are vertebates and have an endoskeleton, meaning their skeletons are on the inside of their body.
answered 5 years ago by TerriAnn (10,430 points)

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