What\’s the difference Between Shellfish, crustaceans and mollusks?

Within the vast blue expanse of our oceans lies a diverse world of marine creatures that have captivated human interest since time immemorial. Among these fascinating inhabitants are shellfish, a broad category that includes some of the most sought-after delicacies worldwide. From the succulent meat of lobsters to the delicate flavours of oysters, shellfish represent a significant portion of the global seafood industry, keeping seafood processing companies busy year-round. But what exactly constitutes a shellfish? How do crustaceans differ from mollusks? Let\'s dive deeper into the ocean of knowledge to understand these marine invertebrates better.