Grouper Ceviche with Jicama and Avocado Slaw

Name: Grouper Ceviche with Jicama and Avocado Slaw
Ingredients: 12 ounces skinless grouper fillets; 1/2 cup fresh-squeezed lime juice; 1 cup freshly squeezed grapefruit juice; 1/2 small red onion, thinly sliced; 2 tablespoons coarsely chopped cilantro leaves; 1 jalapeno, minced; Kosher salt; 2 tablespoons extra virgin olive oil; 2 tablespoons minced red onion; 2 tablespoons chopped cilantro leaves; 1/4 teaspoon freshly toasted and ground cumin; Kosher salt and ground black pepper; 1 cup jicama, peeled and sliced into matchstick size pieces; 1 avocado, peeled, pitted and diced into 1/4-inch pieces