NutriDiet Shrimp 34 grams, Seachem. NutriDiet Shrimp is the ideal solution for feeding a natural diet to fresh and saltwater fish. It is perfect for the aquarist seeking variety or an alternative to pelleted foods. Studies have shown that shrimp can be used to condition a variety of fish for breeding. The unique packaging process of NutriDiet Shrimp locks in moisture and nutrients making it more palatable and more nutritious than freeze-dried shrimp.