The Royal Gramma Basslet or Fairy Basslet is beautiful. The front half of its body and head are a bright purple to violet, while the back half is a striking and vibrant yellow. It is an excellent choice for a reef aquarium, and since it remains small, is perfect for small reef systems. They are aggressive towards their own species,because the Royal Gramma Basslet is a deep-water dweller, it prefers caves and extensive rockwork. The Royal Gramma Basslet will do well on a diet of meaty fare and quality frozen preparations. They also accept flake foods as well.