The White Cap Goby, Lotilia graciliosa, is an extremely rare variation of the goby fish. This fish is easily the centerpeice of any nano tank and a brilliant addition to any reef tank. This White Cap Goby comes paired with a Pistol Shrimp to help acclimate the goby into the tank. Often, the White Cap Goby and the Pistol Shrimp for a symbiotic relationship in which they cohabitate a burrow. The White Cap Goby will eat pellets and flake food. They need plenty of rocks for places to hide and create their burrows.