10 S+ Grade CRS Crystal Red Shrimp Live Freshwater Aquarium Shrimp - 1/4 to 1/2 inch long by SoShrimp 10 S+ Grade Crystal Red Shrimp for Freshwater aquarium. Shrimp size: 1/4" - 1/2" long, unsexed juvenile. Very vibrant red and white color. Free moss will be included. 100% live arrival guaranteed.