Reply To: (Not) eating fish and cheese together

It’s a minhag for some not to, but it is NOT assur. Otherwise we could never eat tuna melts. I always thought, rightly or wrongly, that the reason for that minhag was because we can’t eat basar and chalav, and fish are a type of “basar” when you come right down to it,so maybe the halacha extended for some even to not mixing FISH and chalav. It’s a stretch, perhaps, but i could see the line of reasoning, if that in fact IS the line of reasoning.