Protein promotes muscle growth, and helps maintain muscle mass and normal bones, which are just a few reasons as to why it’s so important to eat fish. With such an array of essential nutrients that help to keep us healthy, eating fish is a great way to ensure you’re enjoying a balanced and healthy diet. When frozen correctly, fish will retain a high quality flavor and texture, and is considered equal to fresh fish by many chefs. You can even cook frozen fish without thawing, although special techniques are recommended for grilling or pan-searing. Try it out, and if you don't like it, there are plenty of ways to defrost frozen fish without affecting safety or quality.