seafood [seafoods](fish, shellfish, seaweed and other edible aquatic life) noun [UK: ˈsiː.fuːd] [US: ˈsiː.ˌfuːd]I like seafood. = Me gustan los mariscos.
shellfish [shellfishes](aquatic food that has a shell) noun [UK: ˈʃel.fɪʃ] [US: ˈʃel.fɪʃ]I don't like shellfish. = No me gustan los mariscos.