FirstMate LID Pacific Ocean Fish Meal Endurance/Puppy Formula Dry Dog Food. FirstMate's Pacific Ocean Fish Endurance/Puppy is specifically designed for dogs with high calorie needs. This limited ingredient diet is great for dogs with allergies and diet restrictions. Fewer ingredients makes this formula easy on digestion. Grain & Pea Free High Calorie Low Carb Wild Caught Herring, Anchovy & Sardines Veterinarian Formulated Made in Canada Available Sizes: 5 lb / 25 lb