Pale goldenrod arctic char are the most popular fish at Penguin Provisions, and they're known for their beautiful colors and deliciousness. These fish are a great choice for those who enjoy a light and delicate seafood diet, as they lack the fat and cholesterol that can make other fish greasy. They're also a good choice for those who are looking for a protein source, as they come in a variety of flavors, including sweet and sour.