Dwarf Crayfish (Cambarellus Diminutus) from Shrimp Boutique **Ships as pee-wee size 3/16"- 1/4" or so. Plant friendly - breeds easily Smallest known crayfish species reaches 1 inch when full grown Can be kept in tanks as small as 2 1/2 gallons Can be kept in groups Eats leftover food on bottom of tank