Aquatic Arts Painted Fire Red Cherry Shrimp Breeder Combo Pack (Neocaridina davidi) - 10 Females, 5 Males at 1/2 to 1 Inch Long 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. Painted Fire Red Cherry shrimp are the highest grade of red cherry shrimp, meaning their coloration is the most intense red you'll ever find! However, males will range from Sakura red to Painted Fire Red Grade as male neocaridina shrimp are just less colorful than their female counterparts. Females will always be Painted Fire Grade. 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!