Can also be used: sole, merluza, congrio, corvine, lisa, tollo or tuna. Instead of the oysters you can use clams, machas, scallops, mussels
Flake the salmon with a fork and remove the bones. Grind the oysters in a blender or processor. Mix together all ingredients including the oysters liquid but excluding the buttered crumbs. Put 4 cups in a greased casserole and cover with buttered crumbs.
Put in a hot oven 400ºF for 45 minutes. Serve with tomato sauce.