Aquatic Arts 1 Live Amano Shrimp (Caridina multidentata, aka Yamato Shrimp) - .5 to 1.5 inches Adult! Better Than Ghost Shrimp! Best Algae Eating Shrimp in The World 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. Amano shrimp are widely known as the single best algae eating shrimp in the world. They even eat hair algae, thread algae, and beard algae! Thse shrimp grow larger than any other dwarf shrimp in the hobby. All Aquatic ArtsTM (formerly InvertObsessionTM) brand plants and animals come with a 100% live arrival guarantee, plus free email support directly from the owners! We ship out young adults that range from 1/2 to 1 1/2 inches in length. Dwarf shrimp do not grow larger than 1.5 inches.