Aquatic Arts 1 Blue Rili Shrimp (Neocaridina davidi) - Breeding Age Young Adult at 1/2 to 1 Inch Long All Aquatic Arts (formerly InvertObsession) brand plants and animals come with a 100% live arrival guarantee, plus free email support directly from the owners! Blue Rili Shrimp feature striped blue colorationa and are a color morph of Red Cherry Shrimp, so care requirements are the same. These ship out as breeding age young adults that range from 1/2 to 1 inch in length. 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. A colony of shrimp works as a very effective cleaning crew for your tanks, cleaning up algae and waste!