Quick Peruvian Seafood Soup

Name: Quick Peruvian Seafood Soup
Ingredients: 1 pound tilapia or flounder filets, cut in 1-inch pieces; 1 cup lime juice; 2 purple onions, sliced thin; 1 bunch fresh cilantro, chopped; 1 tablespoon red pepper paste (rocoto or whatever you have available); 4 cloves garlic, sliced; 1 can corn kernels; 1 pound potatoes, washed, sliced in chunks (peels on); 1 can white beans (navy, great northern, etc.); 1 can diced tomatoes; 1 pound large shrimp; salt to taste