Brazilian seafood stew

Name: Brazilian seafood stew
Prep time: 20 min
Cook time: 20 min
Total time: 40 min
Cuisine: Latin American
Ingredients: 1 lb white fish fillets such as halibut, cod, tilapia, mahi mahi (cut into 2-inch pieces); 8 oz large shrimp ((16-20 count per lb), shelled & cleaned); 3 tbsp lime juice (freshly squeezed); 3 tbsp extra virgin olive oil; 4 cloves garlic (minced, divided.); 3/4 tsp salt (divided); 1/4 tsp freshly ground black pepper; 1 onion (sliced); 1 red bell pepper (seeded and thinly sliced); 1 yellow bell pepper (seeded and thinly sliced); 2 tsp sweet paprika; 1/4 tsp crushed red pepper flakes; 1 cup fresh tomatoes (diced); 2 scallions; 1 can coconut milk ((13.5 oz can)); 1/4 cup fresh cilantro (chopped)