Shrimp and Crab Ceviche on Fried Tortillas (Tostadas de Ceviche de Camarón y Jaiba) Ceviche (Se-VEE-che) recipes and ingredients vary by season and location throughout Latin America, but usually include one or more raw seafood items like conch, lobster, shrimp and/or fish. The seafood is chopped into small pieces, along with tomato, onion and cilantro.