Crystal Red Shrimp, CRS, Red Bee Shrimp(씨알에스, 크리스탈 레드 쉬림프) English Name: Crystal Red ShrimpScientific Name: Caridina cf. cantonensis sp. "Crystal Red"Origin: Mutation of bee shrimpSize: male (1 inch), female(1.2 inches)Water Parameters:1. pH: 6.2-6.62. KH: 0-23. GH: 4-64. TDS: 80-100 (The information regarding water parameters the link below)Water Temperature: 60.8-73.4(℉)Difficulty: Medium-hard..