20 Live Wild Form Neocaridina Shrimp (Neocaridina davidi) - Breeding Age Young Adults at 1/2 to 1 Inch Long These peaceful shrimp are particularly suited for beginners to the shrimp hobby. 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. All Aquatic ArtsTM (formerly InvertObsessionTM) 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!