Was Ist Ceviche Costa Rica. There's no heat involved, the acids in the lemon do the work, tenderizing the seafood and keeping bacteria from spoiling everything. Ceviche is just a step above sushi in that you start with raw fish, and “cook” it in lime juice without any heat at all.
The classic peruvian ceviche is composed of chunks of raw fish, marinated in freshly squeezed key lime, with sliced onions, chili peppers, salt and pepper. There's no heat involved, the acids in the lemon do the work, tenderizing the seafood and keeping bacteria from spoiling everything.
