Get Hooked Seafood Grenadier Fillet comes in a convenient 12 oz package, delivered frozen to preserve their freshness. Grenadier, also known as rattail or rat-tail fish, offers a mild, delicate flavor that seafood lovers adore. Its flaky texture makes it a versatile choice for various recipes. Whether you're baking, grilling, or pan-searing, these fillets are sure to impress with their melt-in-your-mouth goodness.