Sakura Red Cherry Shrimp Breeder Combo Pack (Neocaridina davidi) - 10 Females, 5 Males at 1/2 to 1 Inch Long by Aquatic Arts Freshwater dwarf shrimp are very small and are not ideal for aquariums with medium to large-sized fish. Please research dwarf shrimp before purchasing to ensure compatibility with your tank's inhabitants. This breeder combo pack was designed for optimal breeding results! It includes 10 female shrimp and 5 male shrimp, which ship out as breeding age young adults that range from 1/2 to 1 inch in length. These ship as breeding age young adults that range from 1/2 to 1 inch long and are the highest grade of red cherry shrimp, meaning their coloration is among the most intense red you'll find! All Aquatic Arts brand plants and animals come with a 100% live arrival guarantee, plus free email support directly from the owners! A colony of shrimp works as a very effective cleaning crew for your tanks, cleaning up algae and waste!