Island Ceviche with Tropical Fruit

Name: Island Ceviche with Tropical Fruit
Ingredients: 1/2 pound medium-size raw shrimp, shelled and deveined; 1/2 pound bay scallops, trimmed of muscle; 1/2 pound salmon fillet, cut in 1/2- inch pieces; 1 red pepper, diced; 3 scallions, sliced on diagonal; 1 jalapeno, minced; 1 cup lime juice, or enough to cover; 1 tablespoon olive oil; 2 tablespoons orange juice; 1/4 cup chopped cilantro; 1/2 mango, diced; 1 pink grapefruit, cut in sections and diced, juice reserved; 1 orange, cut in sections and diced, juice reserved; Salt and pepper