It took a multi-award winning Breeder, a successful tropical fish farm, and over 35 years of continuing improvementsto develop Xtreme Aquatic foods. Highest quality marine and vegetable proteins produce a natural balanced color while promoting healthy growth, strong immune systems, and active breeding.Eagerly consumed in a slow sinking pellet. 9 mm pellet. 100% satisfaction guaranteed. Hormone free. 38% protein, 5% fat, 6% fiber. Info from Xtreme