Aquatic Arts 5 Assorted Male Neocaridina Shrimp (Neocaridina davidi) - Breeding Age Young Adults 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! This listing is for an assorted mix of young adult male shrimp of the Neocaridina davidi species. We guarantee that each bag will include an assortment of different colors and patterns, including red, blue, yellow, orange, black, white, brown, and various rili varieties. These ship out as breeding age young adults that range from 1/2 to 1 inch in length. The bulk of its diet is biofilm, algae, and decaying plant matter so it will work diligently to clean up the waste in any aquarium.