5 S+ Grade CBS Crystal Black Shrimp Live Freshwater Aquarium Shrimp - 1/4 to 1/2 inch long by SoShrimp 5 S+ Grade Crystal Black Shrimp for Freshwater aquarium. Shrimp size: 1/4" - 1/2" long, unsexed juvenile. Very vibrant black and white color. Free moss will be included for the shrimps to hold on to during the ride. 100% live arrival guaranteed.