Other ingredients in ceviche typically include tomatoes, onions, chiles and cilantro.
There is no single recipe for ceviche, and many different fish and shellfish can be used in preparing ceviche. Snapper, sea bass, halibut, mah-mahi and tilapia are popular fish for making ceviche. Other seafood items used in ceviche include shrimp scallops, squid and octopus.
Shrimp ceviche, popular in Ecuador, is made solely with shrimp and includes tomato sauce. Peruvian ceviche can include corn and cooked sweet potato.