Ocean Nutrition Instant Baby Brine Shrimp is ideal for delicate fish, fish fry and as food for invertebrates.This freshly hatched Artemia is identical in use and appearance to freshly hatched Baby Brine Shrimp, but the hatching and separation has already been done. Instant Baby Brine Shrimp has excellent buoyancy, so the food remains in the water longer to facilitate feeding. Will not cloud water. For marine or freshwater fish. 0.7 oz.