10 Opae Ula Shrimp, Hawaii Volcano Ecosphere Shrimp CHEAPEST !!Best quality Opae ula on the market Vary sizes from 1/4-3/8 inch will be shipped in Breather Bags Can live up to 20+ years provide great refill to any aquarium system Refill your ecosphere or start a new tank 100% MAINTENANCE FREE very hardy BEST pet for all ages!