General terms:
* Plateau de fruits de mer: This is the most common and general term for a seafood platter. It literally translates to "seafood platter."
* Plateau de poissons: This means "fish platter" and refers specifically to a platter with only fish, not other seafood.
* Assiette de fruits de mer: This is similar to "plateau de fruits de mer" but refers to a smaller platter, often meant for one person.
More specific terms:
* Plateau de fruits de mer royal: This is a luxurious seafood platter with a wide variety of seafood, including oysters, clams, mussels, shrimp, lobster, crab, and more.
* Plateau de poissons grillés: This refers to a platter of grilled fish, often served with vegetables.
* Plateau de poissons crus: This means "raw fish platter" and refers to a platter of sashimi or sushi-style dishes.
The best term to use depends on the specific context. If you are talking about a general seafood platter, "plateau de fruits de mer" is the most appropriate choice. If you are talking about a specific kind of platter, you can use a more specific term.