The Blue Sapphire shrimp is a vibrant, deep blue freshwater dwarf shrimp (Neocaridina davidi). Prized for an inky, royal blue or metallic sapphire shell, they grow up to 1.2 inches long, make great peaceful tank cleaners, and share the same easy care requirements as red cherry shrimp. Tank Setup and Water Requirements Tank Size: At least 5 gallons for a small colony. Water Temperature: 64°F to 78°F (18°C to 26°C). Water pH: 6.5 to 8.0. Environment: Add live plants like java moss, driftwood, and leaf litter to supply natural biofilm and safe hiding spots. Diet and Feeding Main Diet: Grazes constantly on green algae, micro-organisms, and biofilm. Supplemental Food: Feed specialized commercial shrimp pellets, algae wafers, or blanched vegetables like zucchini and spinach in small amounts. Avoid overfeeding.