Freshwater and Marine. Freshly hatched Baby Brine Shrimp ready to use. Ideal food for delicate small fish, fish fry and as food for many invertebrates. It has an excellent buoyancy, so the food remains in the water column to facilitate feeding. One bottle contains in excess of 1.5 million Artemia nauplii. The product can be kept and stored at normal room temperature as long as the bottle has not been opened. Developed in collaboration with the Artemia Reference Center. Does not cloud the water.