10 Dream Blue Velvet Shrimp - Neocaridina davidi Live Freshwater Aquarium Shrimp - 1/4 to 1 inch long by SoShrimp 10 Dream Blue Velvet Shrimp for your freshwater aquarium. Shrimp size: 1/4 to 1 inch, juvenile shrimp to young adult. Very deep sapphire blue color. Free moss will be included for the shrimps to hold on to during shipping. Live Arrival Guaranteed!