SIZE: 1/2 - 1 Inch (Breeding Age)   BREEDER PACK - We created the breeder packs to ensure that hobbyists will have the ideal ratio to start a breeding colony. The Breeder pack will consist of 7 female and 3 male shrimp. For a total of 10 shrimp.   Experience the captivating beauty of Blue Red Rili Shrimp, also known as Blue Razz Shrimp. These striking creatures boast a unique blend of vibrant blue and red colors, creating an eye-catching contrast that will elevate the visual appeal of your aquarium. Blue Red Rili Shrimp are truly mesmerizing, with their bold blue and red patterns standing out against their bluish translucent bodies. Each shrimp is a living piece of art, with its distinctive coloration and patterns making it a captivating addition to any tank. Not only are these shrimp visually stunning, but they are also easy to care for, making them perfect for both novice and experienced aquarists. Blue Red Rili Shrimp are highly adaptable to various water conditions, and their low maintenance needs allow you to enjoy their beauty without the hassle of complicated care routines. In addition to their aesthetic charm, Blue Red Rili Shrimp play a vital role in maintaining a healthy aquarium ecosystem. They are excellent algae eaters, helping to keep your tank clean and contributing to the overall health of your aquatic plants and other tank inhabitants. Their presence adds balance and harmony to your underwater world. At Shrimp Up Aquatics, we take pride in providing only the highest quality Blue Red Rili Shrimp. Each shrimp is carefully bred and selected for its vibrant colors and robust health, ensuring that you receive top-notch companions for your aquatic sanctuary. These are a relatively new shrimp to the hobby and I am unaware if they breed true, as far as I know they dont. You will most likely have to cull babies that don't have the exact tone of blue and red you like. It will take a few more years for them to be true. Please feel free to contact me with any follow up questions:)  Our Tank Water Parameters: PH: 7.0-7.8 GH: 7-8 KH: 3-4 TDS: 200-250 Temperature: 65°F-74°F